Basic rules about REGULAR NOUNS: With an 's' / 'es' endings - PLURAL (examples: motherS, fatherS, kidS, bossES) Without an 's' / 'es' endings - SINGULAR (examples: mother, father, kid, boss) Basic rules about VERBS: With an 's' / 'es' endings - SINGULAR (examples: likeS, giveS, shareS, goES, doES) Without an 's' ending - PLURAL (examples: like, give, share, go, do) SUBJECT-VERB AGREEMENT RULES GENERAL RULE: A singular subject requires a singular verb. A plural subject requires a plural verb. ***