Question

we___(walk) back when we___(hear) a big noise​

Answer 1

Explanation:

We walked back when we heard a big noise.

hope this helps u..

Answer 2

We walked back when we heard a big noise.

Tense: Simple/Infinite past tense .

Why?

▶As to make the verbs appropriate with the given sentence, we use past infinite tense.

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Past tense :

The form of verb which indicates the action is done in the past time .

Four form of past tense:

1. Past indefinite tense/Simple past tense
2. Past perfect tense
3. Past continuous tense
4. Past perfect continuous tense.

Be verb of past tense:

• was (singular)
• were(plural)