Question

turn the sentences into affirmative negative or interrogative form


4- We had finished the document when the computer crashed . (- ) ( ? )

5- He hadn´t eaten by the time we arrived (?) ( + )

6 - We had seen a whale before our trip . ( ? ) ( -)
7- I handn´t done all my homework when I went to class. (?) ( +)

Answer 1

4. No. We hadn't finished the document when the computer crashed (affirmative) / Had we finished the document when the computer crashed? (interrogative).  

5. Had he eaten by the time we arrived? (interrogative) / Yes. He had eaten by the time we arrived (affirmative).

6. Had we seen a whale before our trip? (interrogative) / No. We hadn't seen a whale before our trip (negative).  

7. Had I done all my homework when I went to class? (interrogative) /  Yes. I had done all my homework when I went to class (affirmative).