1. John _____ (not stay) at home yesterday.
2. We _____ (clean) our classroom a moment ago.
3. Why _____ you _____ (come)so early this morning?
4. My little brother enjoys _____ (swim) very much.
5. Kate finished _____ ( do) her homework at 10 o'clock last night.
6. When did Shakespeare start _____ (write) plays?
7. She _____ (not visit) her uncle last weekend. She _____ (stay) at home and
    _____ (do) some cleaning.
8. He _____ (look) after her mum yesterday morning.