What is the subject of a verb?

The subject is the word that does the action of the verb.

In English, how do you tell if a word is the subject or not?

  • By where it is placed in the sentence. If it comes before the verb, it may be the subject.
  •  The subject also answers the question of Who? or What? does the action of the verb.

In the sentence, "I want to visit her," "I" is the subject of the verb "wants." Why do you know that? Why do you know that "her" is not the subject? Because "I" comes before the verb and "her" comes after the verb.

Or to say it another way, "I" is doing the action of the verb "want." Who wants? "I" want.