Question

change it into passive voice
(1) Have you received the letter? ( present perfect )
(2) Does she like bananas ? (simple present )
(3) Has she postponed the concert ? ( present perfect)

Answer 1

1) Has the letter been received ( by you) ?
2) Are bananas liked by her?
3) Has the concert been postponed by her?

Answer 2

Hi,

Here's ur answer:-

1)Has the letter been received by you?

(Letter is singular so has will be used)

2)Are bananas liked by her?

(As bananas is third person and plural, are will be used)

3)Has the concert been postponed by her?

(concert is third person singular, so has will be used)

HOPE IT HELPS (^_^)