Exercise 4. Write sentences with the cue words using the present perfect tense.
EX: 1/know/her/three months I have known her for three months

1. He/have/a cold/ a week.

-> He has had a cold for a week

2. They/buy/the new house/September

-> They have bought the new house since September

3. My family/be/here/Christmas.

-> My family has been here since Christmas.

4. We/not see/each other/ 10 years.

-> We haven't seen each other for 10 years.

5. Mr. Nam/work/in the bank / a long time.

-> Mr. Nam has worked in the bank for a long time.

6. Tom and Jerry/love/ each other / a long time.

-> Tom and Jerry have loved each other for a long time.

7. My sister/start/ a new job / yesterday.

-> My sister has started a new job yesterday.

8. Mr Robinson / teach / in this school / 1997.

-> Mr. Robinson has taught in this school since 1997

9. I/write/this letter / six o'clock.

-> I have written this letter since six o'clock.

10. We/leave our hometown / since / I / be / a child.

-> We have left our hometown since I was a child