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Active Filters: Category: subject-verb agreement Found 38 card(s)
Subject-Verb Agreement 🏷ī¸ None / No one / Nobody

None: The Chameleon Pronoun – Singular or Plural Depending on 'Of'

None: गिरगिट सर्वनाम – 'Of' के आधार पर एकवचन या बहुवचन

The pronoun 'None' is unique because its verb agreement can be singular or plural, primarily depending on the noun it refers to, especially when followed by 'of + noun'. It acts like a chameleon, adapting to its context.

💡 Fun Memory Story & Formula Trick:
💡 Think of 'None' as a 'Grammar Chameleon.' It changes its verb color (singular/plural) to match the noun it's looking at in the 'of' phrase. If it sees a single drop of water (uncountable), it's singular. If it sees many students (plural), it can choose to be plural (or sometimes singular for emphasis). Remember: 'Chameleon None – Matches the Noun's Tone!'
💡 'None' को एक 'व्याकरण का गिरगिट' समझो। यह 'of' वाक्यांश में जिस संज्ञा को देखता है, उसके अनुसार अपनी क्रिया का रंग (एकवचन/बहुवचन) बदल लेता है। यदि यह पानी की एक बूंद (अगणनीय) देखता है, तो यह एकवचन होता है। यदि यह कई छात्रों (बहुवचन) को देखता है, तो यह बहुवचन होना चुन सकता है (या कभी-कभी जोर देने के लिए एकवचन)। याद रखें: 'गिरगिट None – संज्ञा के स्वर से मेल खाता है!'
⚠️ Exam Trap: The biggest trap is assuming 'None' is *always* singular. Examiners love to use 'None of the + plural noun' and expect a singular verb, or vice-versa. Be aware of its flexibility, especially with plural countable nouns, where both singular and plural verbs can be correct depending on emphasis.
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: If 'None of + Uncountable Noun', use a Singular Verb. Example: None of the water *is* potable.
  • âœĻ Rule 2: If 'None of + Plural Countable Noun', a Plural Verb is often preferred in modern English. Example: None of the students *have* submitted their assignments.
  • âœĻ Rule 3: With 'None of + Plural Countable Noun', a Singular Verb is also grammatically acceptable, especially in formal contexts or to emphasize 'not one'. Example: None of the students *has* submitted their assignments.
⚡ Instant Error Spotting Test Click to check

Identify the segment that contains a grammatical error. None of the water samples (A) were found (B) to be contaminated (C) after the analysis (D).

The subject 'None' refers to 'water samples'. While 'samples' is plural, 'water' is an uncountable noun. When 'None' refers to an uncountable noun (even if followed by a plural form like 'samples' in a specific context, but here 'water' is the core uncountable), it requires a singular verb. Therefore, 'were found' should be 'was found'.
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ None / No one / Nobody

No one / Nobody: The Always Singular VIPs of Grammar

No one / Nobody: व्याकरण के हमेशा एकवचन VIPs

'No one' and 'Nobody' are indefinite pronouns that always refer to a single, unspecified person. Consequently, they consistently demand a singular verb, regardless of any other phrases or clauses in the sentence. Treat them as inherently singular subjects.

💡 Fun Memory Story & Formula Trick:
💡 Imagine 'No one' and 'Nobody' as two very exclusive VIPs. They *always* demand singular treatment – a singular verb is their personal bodyguard, never letting a plural verb near them! Remember: 'VIPs are always Singular!'
💡 'No one' और 'Nobody' को दो बहुत ही खास VIPs समझो। वे *हमेशा* एकवचन व्यवहार की मांग करते हैं – एकवचन क्रिया उनका निजी अंगरक्षक है, जो कभी भी बहुवचन क्रिया को उनके पास नहीं आने देता! याद रखें: 'VIPs हमेशा Singular होते हैं!'
⚠️ Exam Trap: Examiners often try to trick you by adding a plural noun phrase after 'no one' or 'nobody' (e.g., 'No one of the students...'). Remember, the verb still agrees with 'no one'/'nobody', not the plural noun in the phrase. Don't fall for the distraction!
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: 'No one' always takes a Singular Verb. Example: No one *is* allowed to enter without permission.
  • âœĻ Rule 2: 'Nobody' always takes a Singular Verb. Example: Nobody *knows* the secret password.
  • âœĻ Rule 3: Even if followed by a plural noun in a prepositional phrase (e.g., 'of the students'), the verb still agrees with 'No one' or 'Nobody'. Example: No one of the participants *has* completed the marathon.
⚡ Instant Error Spotting Test Click to check

Identify the segment that contains a grammatical error. Nobody among the volunteers (A) were willing (B) to take on (C) the extra shift (D).

The subject 'Nobody' is always singular, so it requires a singular verb. Therefore, 'were willing' should be replaced with 'was willing'. The correct sentence is: 'Nobody among the volunteers was willing to take on the extra shift.'
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Everyone / Everybody / Someone / Somebody

Everyone, Somebody: Singular Verb, Plural Tag!

Everyone, Somebody: एकवचन क्रिया, बहुवचन टैग!

This is a tricky exception! While 'everyone', 'everybody', 'someone', and 'somebody' always take a singular verb in the main clause, they surprisingly use a plural pronoun ('they') in question tags. This is a convention to avoid gender specificity.

💡 Fun Memory Story & Formula Trick:
💡 The 'ONE' and 'BODY' VIPs are *one* group (singular verb), but when you *question* them, you see *all their faces* (plural 'they')! Imagine a single ticket for a concert, but once inside, you see a whole crowd of 'them' enjoying the show.
💡 'वन' और 'बॉडी' VIPs *एक* समूह हैं (एकवचन क्रिया), लेकिन जब आप उनसे *सवाल* करते हैं, तो आपको *उनके सभी चेहरे* (बहुवचन 'they') दिखते हैं! कल्पना कीजिए एक संगीत कार्यक्रम के लिए एक ही टिकट है, लेकिन अंदर जाने पर, आपको 'उन' की पूरी भीड़ शो का आनंद लेते हुए दिखती है।
⚠️ Exam Trap: Examiners absolutely love to test this specific nuance! They will often use 'isn't he/she?', 'hasn't he/she?', or 'doesn't he/she?' in the question tag, trying to make you apply the singular pronoun rule from the main clause. Remember: for question tags with 'everyone/somebody', always use 'they'!
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: The main clause verb remains strictly singular, as per the primary rule for these indefinite pronouns.
  • âœĻ Example: *Everyone **is** present today, aren't they?* (Not 'isn't he/she?')
  • âœĻ Rule 2: In question tags, the pronoun referring to these indefinite pronouns is always 'they', regardless of the singular nature of the subject.
  • + View all 6 rules & examples →
⚡ Instant Error Spotting Test Click to check

Spot the error: Everyone is (A) ready for the trip, (B) isn't he (C) or she (D)?

The error is in option (C). For indefinite pronouns like 'Everyone' in a question tag, the pronoun used is 'they', and the auxiliary verb must agree with 'they'. So, 'isn't he' should be 'aren't they'. The correct sentence is: 'Everyone is ready for the trip, aren't they?'
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Everyone / Everybody / Someone / Somebody

Everyone, Somebody: Singular Pronouns Follow!

Everyone, Somebody: एकवचन सर्वनामों का प्रयोग करें!

When referring back to indefinite pronouns like 'everyone', 'everybody', 'someone', or 'somebody', the subsequent pronouns (possessive, reflexive, or personal) must also be singular. This maintains consistent singular agreement throughout the sentence.

💡 Fun Memory Story & Formula Trick:
💡 The 'ONE' and 'BODY' VIPs are so special, they only carry THEIR OWN SINGLE BAGS (his/her/its)! They don't share 'their' bags with anyone else because each 'one' or 'body' is an individual unit.
💡 'वन' और 'बॉडी' VIP इतने खास हैं कि वे केवल अपने *एकल बैग* (his/her/its) ले जाते हैं! वे अपने बैग किसी और के साथ 'their' नहीं करते क्योंकि हर 'वन' या 'बॉडी' एक व्यक्तिगत इकाई है।
⚠️ Exam Trap: A very common trap is using plural pronouns like 'their', 'them', or 'themselves' to refer to 'everyone' or 'somebody'. While it might sound natural or inclusive in casual speech, grammatically it's incorrect in formal English and a sure shot error in exams!
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: Use singular possessive pronouns (his/her/its) to refer back to these indefinite pronouns. In formal writing, 'his or her' is preferred for gender neutrality.
  • âœĻ Example: *Everyone must bring **his or her** own identification.* (Not 'their')
  • âœĻ Rule 2: Use singular reflexive pronouns (himself/herself/itself) to refer back to these subjects.
  • + View all 5 rules & examples →
⚡ Instant Error Spotting Test Click to check

Spot the error: Somebody has (A) left their (B) wallet on (C) the table (D).

The error is in option (B). 'Somebody' is a singular indefinite pronoun, so the possessive pronoun referring to it must also be singular. 'Their' is plural. It should be 'his or her'. The correct sentence is: 'Somebody has left his or her wallet on the table.'
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Everyone / Everybody / Someone / Somebody

Everyone, Everybody, Someone, Somebody: Always Singular Verb!

Everyone, Everybody, Someone, Somebody: हमेशा एकवचन क्रिया!

These indefinite pronouns, despite seemingly referring to multiple people, are always treated as singular subjects in English grammar. Consequently, they demand a singular verb form, regardless of the context or implied number.

💡 Fun Memory Story & Formula Trick:
💡 The 'ONE' and 'BODY' Crew: Each is a VIP, so they get a SINGLE escort (verb)! Imagine a bouncer at a club letting in one VIP at a time, saying, 'This ONE *is* on the list!' or 'That BODY *has* arrived!' They never say 'These ones *are*...' or 'Those bodies *have*...' for a single entry.
💡 'वन' और 'बॉडी' क्रू: हर कोई एक VIP है, इसलिए उन्हें एक ही एस्कॉर्ट (क्रिया) मिलता है! कल्पना कीजिए एक क्लब में बाउंसर एक-एक VIP को अंदर जाने दे रहा है, कह रहा है, 'यह ONE *लिस्ट में है*!' या 'वह BODY *पहुंच गया है*!' वे कभी भी एक एंट्री के लिए 'ये वाले *हैं*...' या 'वे बॉडी *पहुंच गए हैं*...' नहीं कहते।
⚠️ Exam Trap: Examiners frequently try to trick you by placing a plural noun or phrase *after* these pronouns (e.g., 'Everyone of the students...'). Your brain might instinctively want a plural verb, but IGNORE the intervening words; the subject ('Everyone') is still singular and demands a singular verb!
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: Indefinite pronouns ending in '-one' or '-body' (everyone, everybody, someone, somebody) invariably take a singular verb.
  • âœĻ Example: *Everyone **is** excited about the upcoming festival.* (Not 'are')
  • âœĻ Rule 2: This rule applies universally, even if a plural noun or phrase follows the pronoun. The actual subject remains singular.
  • + View all 6 rules & examples →
⚡ Instant Error Spotting Test Click to check

Spot the error: Everyone of the participants (A) have submitted (B) their project (C) on time (D).

The error is in option (B). 'Everyone' is an indefinite pronoun and always takes a singular verb. Therefore, 'have submitted' should be replaced with 'has submitted'. The correct sentence is: 'Everyone of the participants has submitted their project on time.'
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Each of / Every one of

Each of / Every one of – Rules, Patterns & Examples

Each of / Every one of – नियम, सूत्र एवं उदाहरण

Comprehensive rules, common exam patterns, and standard structures for Each of / Every one of in competitive English.

💡 Fun Memory Story & Formula Trick:
💡 Memory Trick: Break down Each of / Every one of into simple step-by-step formulas to easily identify errors in sentences!
💡 याद रखने की ट्रिक: Each of / Every one of के नियमों को उदाहरण वाक्यों से जोड़कर याद रखें!
⚠️ Exam Trap: Watch out for misleading options and subject-verb mismatches related to Each of / Every one of.
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: Primary grammatical structure and rules governing Each of / Every one of.
  • âœĻ Rule 2: Critical exceptions and irregular patterns frequently tested in exams.
  • âœĻ Rule 3: Spotting the error tips for Each of / Every one of in competitive exams.
⚡ Instant Error Spotting Test Click to check

Which of the following sentences correctly applies the rule of Each of / Every one of?

The first sentence follows standard rules and correct sentence structure for Each of / Every one of.
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Each / Every + Singular Verb

Rule 3: Each / Every with Compound Subjects = Singular Verb

नियम 3: Each / Every संयुक्त विषयों के साथ = एकवचन क्रिया

When 'each' or 'every' precedes two or more singular subjects joined by 'and', the verb remains singular. The distributive nature of 'each'/'every' overrides the 'and' conjunction's usual pluralizing effect.

💡 Fun Memory Story & Formula Trick:
💡 Imagine 'Each' and 'Every' as strict 'No-Plural-Party' organizers. Even if you try to bring two subjects together with 'AND', they'll still insist on a SINGLE guest (verb) for their event!
💡 कल्पना कीजिए 'Each' और 'Every' सख्त 'नो-प्लुरल-पार्टी' आयोजक हैं। भले ही आप 'AND' के साथ दो विषयों को एक साथ लाने की कोशिश करें, वे अभी भी अपने कार्यक्रम के लिए एक SINGLE मेहमान (क्रिया) पर जोर देंगे!
⚠️ Exam Trap: This is a major trap! The presence of 'and' between two nouns almost instinctively makes students choose a plural verb. Remember, if 'each' or 'every' is present before both nouns, the verb is singular!
📌 Key Grammar Rules & Formulas:
  • âœĻ Formula: Each + Singular Noun + and + Each + Singular Noun + Singular Verb.
  • âœĻ Example: Each pen and each pencil was carefully inspected.
  • âœĻ Formula: Every + Singular Noun + and + Every + Singular Noun + Singular Verb.
  • + View all 5 rules & examples →
⚡ Instant Error Spotting Test Click to check

Choose the correct option to complete the sentence: Each book and each magazine in the library _______ a unique identification number.

The correct option is 'has'. Even though 'book' and 'magazine' are joined by 'and', the presence of 'each' before both nouns makes the subject singular in effect. Therefore, a singular verb 'has' is required.
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Each / Every + Singular Verb

Rule 2: Each of the / Every one of the + Plural Noun/Pronoun = Singular Verb

नियम 2: Each of the / Every one of the + बहुवचन संज्ञा/सर्वनाम = एकवचन क्रिया

Even when 'each' or 'every one' is followed by 'of the' and a plural noun or pronoun, the verb remains singular. The true subject is 'each' or 'every one', which always demands a singular verb.

💡 Fun Memory Story & Formula Trick:
💡 Think of 'of the' as a fancy 'label' for a group. 'Each' or 'Every one' is still the boss pointing to ONE item from that labeled group. The boss (Each/Every one) always gets a SINGLE assistant (verb)!
💡 'of the' को एक समूह के लिए एक फैंसी 'लेबल' समझें। 'Each' या 'Every one' अभी भी उस लेबल वाले समूह में से एक वस्तु की ओर इशारा करने वाला बॉस है। बॉस (Each/Every one) को हमेशा एक SINGLE सहायक (क्रिया) मिलता है!
⚠️ Exam Trap: The plural noun (e.g., 'students', 'books') immediately before the verb in the 'of the' phrase is a classic distraction. Ignore it and focus on 'Each' or 'Every one' as the true subject!
📌 Key Grammar Rules & Formulas:
  • âœĻ Formula: Each of the / Every one of the + Plural Noun/Pronoun + Singular Verb.
  • âœĻ Example: Each of the candidates was interviewed by the panel.
  • âœĻ Example: Every one of the solutions seems promising for the problem.
  • + View all 4 rules & examples →
⚡ Instant Error Spotting Test Click to check

Identify the part of the sentence that contains an error: Every one of the new policies (A) / are designed (B) / to improve efficiency (C) / No error (D).

The error is in part (B). The subject of the sentence is 'Every one', which is singular. Therefore, the verb must be singular. 'Are designed' should be 'is designed'. The correct sentence is: 'Every one of the new policies is designed to improve efficiency.'
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Each / Every + Singular Verb

Rule 1: Each / Every + Singular Noun = Singular Verb

नियम 1: Each / Every + एकवचन संज्ञा = एकवचन क्रिया

When 'each' or 'every' directly precedes a singular noun, the verb that follows must always be singular. These words emphasize individual units, even if they are part of a larger group.

💡 Fun Memory Story & Formula Trick:
💡 Imagine 'Each' and 'Every' as strict VIP bodyguards. They only allow ONE (singular) verb to accompany them. No crowd (plural verb) is permitted! Think: 'EACH-ONE, EVERY-ONE, SINGLE-FUN!'
💡 कल्पना कीजिए 'Each' और 'Every' सख्त VIP बॉडीगार्ड हैं। वे केवल एक (एकवचन) क्रिया को अपने साथ जाने की अनुमति देते हैं। कोई भीड़ (बहुवचन क्रिया) की अनुमति नहीं है! याद रखें: 'EACH-ONE, EVERY-ONE, SINGLE-FUN!'
⚠️ Exam Trap: Don't get fooled by the idea that 'each' or 'every' refers to many individuals, leading you to use a plural verb. Always remember they force singularity!
📌 Key Grammar Rules & Formulas:
  • âœĻ Formula: Each / Every + Singular Noun + Singular Verb.
  • âœĻ Example: Each student has submitted their assignment on time.
  • âœĻ Example: Every participant was given a detailed feedback report.
  • + View all 4 rules & examples →
⚡ Instant Error Spotting Test Click to check

Spot the error in the following sentence: Each of the boys (A) / were given (B) / a new uniform (C) / No error (D).

The error is in part (B). When 'Each' is the subject, even if followed by 'of the boys' (a plural noun in a prepositional phrase), the verb must be singular. Therefore, 'were given' should be 'was given'. The correct sentence is: 'Each of the boys was given a new uniform.'
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Either of / Neither of

Either of / Neither of – Rules, Patterns & Examples

Either of / Neither of – नियम, सूत्र एवं उदाहरण

Comprehensive rules, common exam patterns, and standard structures for Either of / Neither of in competitive English.

💡 Fun Memory Story & Formula Trick:
💡 Memory Trick: Break down Either of / Neither of into simple step-by-step formulas to easily identify errors in sentences!
💡 याद रखने की ट्रिक: Either of / Neither of के नियमों को उदाहरण वाक्यों से जोड़कर याद रखें!
⚠️ Exam Trap: Watch out for misleading options and subject-verb mismatches related to Either of / Neither of.
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: Primary grammatical structure and rules governing Either of / Neither of.
  • âœĻ Rule 2: Critical exceptions and irregular patterns frequently tested in exams.
  • âœĻ Rule 3: Spotting the error tips for Either of / Neither of in competitive exams.
⚡ Instant Error Spotting Test Click to check

Which of the following sentences correctly applies the rule of Either of / Neither of?

The first sentence follows standard rules and correct sentence structure for Either of / Neither of.
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Either...Or / Neither...Nor

Either...Or / Neither...Nor: All Plural Subjects

Either...Or / Neither...Nor: सभी बहुवचन कर्ता

When both subjects connected by 'either...or' or 'neither...nor' are plural, the verb must always be plural. This aligns with the general principle of subject-verb agreement.

💡 Fun Memory Story & Formula Trick:
💡 **The 'Double Team Power' Rule:** Imagine 'Either' and 'Neither' are team captains. If both captains bring their *plural* teams ('Or' and 'Nor' connect them), they form a powerful 'double team' that always needs a *plural* verb to handle all the action!
💡 **'डबल टीम पावर' नियम:** कल्पना कीजिए कि 'Either' और 'Neither' टीम के कप्तान हैं। यदि दोनों कप्तान अपनी *बहुवचन* टीमों को लाते हैं ('Or' और 'Nor' उन्हें जोड़ते हैं), तो वे एक शक्तिशाली 'डबल टीम' बनाते हैं जिसे हमेशा सभी क्रियाओं को संभालने के लिए एक *बहुवचन* क्रिया की आवश्यकता होती है!
⚠️ **Exam Trap:** Sometimes students overthink the 'closer subject' rule and try to apply it even when both subjects are plural, leading to confusion. If both are plural, the verb is straightforwardly plural!
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: If Subject 1 is plural AND Subject 2 is plural, the verb is always plural.
  • âœĻ Example: Neither the boys nor the girls **have** finished their homework. (Both 'boys' and 'girls' are plural, so 'have')
  • âœĻ Example: Either the teachers or the students **were** protesting the new rules. (Both 'teachers' and 'students' are plural, so 'were')
  • + View all 4 rules & examples →
⚡ Instant Error Spotting Test Click to check

Spot the error: Either the managers or the supervisors (A)/ has approved (B)/ the new project timeline (C)/ No error (D).

Both 'the managers' and 'the supervisors' are plural subjects. When two plural subjects are joined by 'either...or', the verb must be plural. Therefore, 'has' should be 'have'. The correct sentence is: 'Either the managers or the supervisors **have** approved the new project timeline.'
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
Subject-Verb Agreement 🏷ī¸ Either...Or / Neither...Nor

Either...Or / Neither...Nor: All Singular Subjects

Either...Or / Neither...Nor: सभी एकवचन कर्ता

When both subjects connected by 'either...or' or 'neither...nor' are singular, the verb must always be singular. This is a straightforward application of the agreement rule.

💡 Fun Memory Story & Formula Trick:
💡 **The 'Twin Singulars' Rule:** Think of two single friends, 'Either' and 'Neither'. When they hang out with 'Or' or 'Nor', they always act as a single unit, demanding a 'single' verb. Two singles, one action!
💡 **'जुड़वाँ एकवचन' नियम:** दो सिंगल दोस्तों, 'Either' और 'Neither' की कल्पना करें। जब वे 'Or' या 'Nor' के साथ घूमते हैं, तो वे हमेशा एक इकाई के रूप में कार्य करते हैं, एक 'एकवचन' क्रिया की मांग करते हैं। दो सिंगल, एक क्रिया!
⚠️ **Exam Trap:** Students sometimes get confused by the presence of two distinct subjects and mistakenly use a plural verb. Remember, if both are singular, the verb remains singular!
📌 Key Grammar Rules & Formulas:
  • âœĻ Rule 1: If Subject 1 is singular AND Subject 2 is singular, the verb is always singular.
  • âœĻ Example: Either the cat or the dog **has** made this mess. (Both 'cat' and 'dog' are singular, so 'has')
  • âœĻ Example: Neither John nor Mary **is** attending the conference. (Both 'John' and 'Mary' are singular, so 'is')
  • + View all 4 rules & examples →
⚡ Instant Error Spotting Test Click to check

Choose the correct option to complete the sentence: Neither the principal nor the vice-principal ______ aware of the sudden holiday.

Both 'the principal' and 'the vice-principal' are singular subjects. When two singular subjects are joined by 'neither...nor', the verb must be singular. Therefore, 'is' is the correct choice.
📖 Standard Grammar Rules (100% Original Content) Full Rules & Mnemonics →
ℹī¸ AI-assisted educational learning aid. AI may produce inaccuracies; please verify critical grammar rules with standard reference material.