1. It’s two weeks since they deaned their room.
-> They haven't cleaned their room for two weeks.
2. It’s over six months since John had his hair cut.
-> John hasn't had his hair cut for over six months.
3. How long is it since you rode a bicyde?
-> When did you last ride a bicycle?
4. How long is it since he wrote to ỵou?
-> When did he last write to you?
5. When did he last talk to you?
-> How long is it since he talked to you?
6. When did you last telephone him?
-> Hong long is it since you telephoned him?
7. We have never eaten this kind of food before.
-> It’s the first time we have eaten this kind of food?
8. This is the fìrst time I have seen this fìlm.
-> I have never seen this film before
9. This is the first time he went abroad.
-> He hasn’t gone abroad before
