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Subject-Verb Agreement

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Subject-verb agreement is the grammatical rule that the subject and verb in a sentence must agree in number (singular or plural). For example, 'The dog barks' (singular) vs. 'The dogs bark' (plural).

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Singular Subjects with Singular Verbs

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When the subject is singular, the verb must also be singular. Example: 'The cat is sleeping.'

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Plural Subjects with Plural Verbs

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When the subject is plural, the verb must also be plural. Example: 'The cats are sleeping.'

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Collective Nouns

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Collective nouns refer to a group of individuals or things. They can take either singular or plural verbs depending on whether the group is acting as a single unit or as individuals. Example: 'The team is winning' (singular) vs. 'The team are arguing among themselves' (plural).

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Indefinite Pronouns

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Indefinite pronouns (e.g., everyone, someone, nobody) are usually treated as singular. Example: 'Everyone is invited to the party.'

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The Number of vs. A Number of

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'The number of' is followed by a singular verb (e.g., 'The number of students is increasing'). 'A number of' is followed by a plural verb (e.g., 'A number of students are absent').

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Either/Or and Neither/Nor

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When using 'either/or' or 'neither/nor', the verb agrees with the nearest subject. Example: 'Either the teacher or the students are going.'

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Time Expressions

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Expressions of time (e.g., five years, ten dollars) are treated as singular. Example: 'Five years is a long time.'

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Subject-Verb Agreement with 'There'

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In sentences starting with 'there', the verb agrees with the noun that follows. Example: 'There are many books on the shelf.'

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Using 'is' with Uncountable Nouns

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Uncountable nouns (e.g., water, information) are treated as singular. Example: 'The information is correct.'