Question

helping verb of past tense​

Answer 1

Answer:

$\large\mathbb{\underbrace\purple{ANSWER}}$

These three tenses are all formed using the helping verbs have, has, had, will, and shall along with the past participle of the verb.

• Present Perfect My brother has known the answer.

• Past Perfect My brother had known the answer.

• Future Perfect My brother will have known the answer.

Answer 2

Answer:

was , were are the helping verbs for past tense.