The (simple) tense of the verb sing is sang.

In English there are different past tenses. I give the form of Past Simple tense. The verb sing is irregular and its past simple form is sang.

Other past tenses could also be:

had sung Past Perfect

was/were singing Past Continuous (Progressive)

etc.

The (simple) tense of the verb sing is sang.

In English there are different past tenses. I give the form of Past Simple tense. The verb sing is irregular and its past simple form is sang.

Other past tenses could also be:

had sung Past Perfect

was/were singing Past Continuous (Progressive)

etc.