Complete the sentences using the verbs on the right in the appropriate forms. 1) He said the documents (not sing) yet.

1. He said the documents had not been signed yet. 2. Where is the key? Has it been lost again? 3. I was given some very useful words of advice three days ago. 4. Are you sure the tickets will be bought and we\'ll be able to start on time? 5. Look! A new tower is being built. 6. When the director entered the classroom, all the tests had been finished and lay on the teacher\'s desk. 7. They told me I couldn\'t get inside as the room was being cleaned. 8. Where are such flowers grown? 9. When was \"Hamlet\" written? 10. While the cups are being put on the table I\'ll ask Jane to join us.