Subject-verb agreement is the correspondence between verb (verb) with sentence subject in terms of number ( singular or plural ). The rules : 1. Subjects and verbs must agree in number. This is the cornerstone rule that forms the background of the concept. Example : a. The boy eats meat This sentence is singular because the boy is only 1, so the verb combine with s/ES. b. The boys eat meat This sentence is plural because the boy is more than 1, so the verb is’nt adding s/es. 2. Two singular subjects connected by or / nor /neither require a singular verb. Example : a. My Uncle or my aunt is visiting my house. b. Neither Daru nor Tiara does not want to play with me. *In the two sentences above even though there are two subjects, but do not include are and do. Because the sentence is connected by "or o...