1.I have studied English for 7 years.
=> I started learning English 7 years ago.
2. Steve started working for this company 5 years ago.
=> Steve has worked for this company for 5 years.
3. Do you have any experience of driving this kind of car?
=> Have you ever ridden this kind of car?
4. Nancy hasn't come here since 1999.
=> The last time Nancy came here was 1999.
5. During my dinner the phone rang.
=> While I was eating the dinner, the phone rang
6. David left the các buổi tiệc nhỏ before arrived there.
=> When I arrived there, David had left the các buổi tiệc nhỏ
7. Sarah hasn't seen her friends since the left for the United States.
=> Sarah last saw her friends when she left for the United States
8. I have never stayed in such an expensive khách sạn before.
=>This is the first time I 've stayed in such an expensive khách sạn
9.In the middle of our sleep, there was a knock at the door.
=>When we were sleeping, there was a knock at the door
10. James spoke lớn his lawyer before signing the contract.
=> James didn't sing the contract without speaking lớn his lawyer.