Answer:
1, are
2, is
3, was
4. am
Explanation:
The form of the verb to be is am (contracted to 'm), is ('s) and are ('re) in the present tense and was/were in the past. To be is used as an auxiliary verb, to form continuous tenses and the passive, and as a main verb.
The verb be is used as an auxiliary verb and it can also be used as a main verb. The verb be is irregular. It has eight different forms: be, am, is, are, was, were, being, been.
still not sure but hope this help..
