Question

The boy -----the red shirt is my cousin.(wear)

Answer 1

The boy who is wearing the red shirt is my cousin.  

Explanation:

• The correct form of the verb must be used to show the tense of the sentence.

• The form of the verb depends on the word that is before the verb and the subject of the sentence and the tense.

• The second form of the verb is mostly used in the Past tenses, whereas the first forms of the verb are used in Present tenses.

• And in continuous sentences "ing" is added to show the action is still going on.

Answer 2

Correct verb:

The boy who is wearing the red shirt is my cousin.

Explanation:

• The word "who" is a relative pronoun. The relative pronoun also includes whom, that, whose, where and so on.
• In this combines sentence, the sentence with "who" is called as relative clause.
• The sentence is in present tense, thus, the present continuous is used in this sentence.
• The word "is" defines present and "wearing" defines continuous tense.