... singular in meaning and take a singular verb.• Tittle of books and movies, even if plural in form, take singular verbs.B. Plural subjects• Subjects joined by and or both and take a plural verb• ... refer to two words joined by Both and, or more words joined by and. • A singular pronoun is used to refer to these indefinite pronouns which are singular in form and require singular verbs. Any ... phrases, clauses, and so on.2. Be careful with –ing noun forms and infinitives. (Đôi lúc cấu trúc song song bị sai khi các vế lẫn lộn giữa V-ing và To V)3. Correlatives: both… .and , either…or…,...