Question

Определите время A letter is being written by her. A book was being written by him. By whom was this letter written?

Answer 1

1. A letter is being written by her.-

PRESENT CONTINUOUS PASSIVE

2. A book was being written by him.-

PAST CONTINUOUS PASSIVE

3. By whom was this letter written?-

PAST SIMPLE PASSIVE

Answer 2

"By whom was this letter written?"