1. Kate (not to write) letters every day. 2. You (to see) your friend yesterday? 3. Your father (to go) on a busi¬ness trip last month? 4. What Nick (to do) yesterday? 5. When Nick (to get) up every morning? 6. What are you (to talk) about? 7. We have just (to talk) about it. 8. He has just (to say) some¬thing about it. 9. She is (to tell) them some inter¬esting story.