Subject–Verb Agreement Subject–Verb Agreement 1. Definition Subject–Verb Agreement means that the verb in a sentence must agree with the subject in number and person . In simple words: If the subject is singular, the verb should be singular. If the subject is plural, the verb should be plural. 2. Examples She writes a letter every day. ✅ (Singular subject she → singular verb writes ) They write letters every day. ✅ (Plural subject they → plural verb write ) 3. Common Rules of Subject–Verb Agreement Singular subject → Singular verb: The boy runs fast. Plural subject → Plural verb: The boys run fast. Two subjects joined by “and” → Plural verb: Ram and Shyam are friends. Two subjects joined by “or / either…or / neither…nor” → Verb agrees with nearer subject: Either Ramesh or his friends are coming. ...