So it`s wiser to refresh what you left so happy at school! This article gives you everything you need to know about the English grammar rules for subject conformity and how to use them in your tests: Note: The following sentences are also considered collective subjects and therefore singular subjects. If the conjunction “and” is replaced by / with / accompanied by / accompanied by / as well, the verb has no effect on the later part of these expressions. The words before these expressions are the subjects. You can check the verb by replacing the pronoun they with the compound subject. Rule 4. Usually use a plural bural with two or more subjects when connected by and by and by the other. If the adjective + appears as the subject of a sentence, it is plural. Indeterminate pronouns can pose particular problems when adapting subjects. .