IX. Rewrite the sentences in the passive voice (Past perfect tense) 

1. Someone had given him a big present before I came.

2. She had told her son to switch off all the lights

3. Mrs. Smith hadn't met her friend for a long time

4. The dog hadn't ever eaten this food before

5. Had she known the answer to this question?

6. Had they fed the seals yet?

Ex7 Rewrite the sentences in the passive voice (Present perfect tense) 

1. Someone has already told him to phone her at six.

2. My wife has just cleaned my shoes.

3. They haven't seen the bridge yet.

4. They haven't cut down on the use of poisonous chemicals

5. Have they shown her the easiest way to do it?

6. Has he asked you to paint the window?