A singular subject has a singular verb form. He/ she/ it/ and singular noun subjects like the boy/ my brother are singular subject and the verb form for singular subjects is verb + s He likes ice...
Singular subjects use singular verbs. This is known as the subject-verb agreement. The confusing part is that "singular" verbs are the ones that will usually have a S, whereas nouns that have an S...
It must be plural because it wouldn't make sense if it is singular and singular or plural and plural. Ex: "The man run down the hall." It should be "The man runs down the hall." Another Example is...