=>
III/
1. Alison often watches TV after dinner.
2. I have read all the plays of Shakespeare.
3. She doesn't like being disturbed when she is working.
4. Jack doesn't spend much time reading.
5. They have lived in that house for ten years.
6. We have worked for this company since 2008.
7. John's friends are playing football at the Sports Centre.
8. Peter doesn't like buying food from the supermarket.
9. The President has travelled more than twenty countries.
10. I am doing the housework at the moment.

IV/
1. Mr.Nam has taught English for 20 years.
2. She has never come to Vietnam.
3. I haven't met her for 3 years.
4. I have never read such an interesting novel before.
5. I have been to Hanoi twice.