1. He
doesn't go to school. He is only 5 years old.
2. He didn't write a report
yesterday.
3. The boy has been writing the report for 2 hours.
4. He studies at
college.
5. You can sing well.
6. She doesn't eat after six o'clock.
7. She has lived here for 6 years so far.
8. We bought some new furniture
yesterday.
9. He was reading a book when the telephone rang.
10. He had finished the
report by seven o'clock.