Question

We were writing answers at that time. [Change into “Present Perfect Tense].​

Answer 1

Answer:

make the positive present perfect tense, use:

'have' / 'has' + the past participle.

Make the past participle by adding 'ed' to regular verbs (for example, 'play' becomes 'played')

There are a few verbs that change their spelling when you add 'ed' (for example, 'study' becomes 'studied')

Answer 2

Answer:

To make the positive present perfect tense, use:

'have' / 'has' + the past participle.Make the past participle by adding 'ed' to regular verbs (for example, 'play' becomes 'played')There are a few verbs that change their spelling when you add 'ed' (for example, 'study' becomes 'studied')