`-` Thì HTHT : S + have / has + V3 / PII

`-` Since + Mốc thời gian

`-` For + Khoảng thời gian

`1`.has been / for

`2`.haven't seen / since

`3`.has known / since

`4`.hasn't seen / for

`5`.haven't been / since

`6`.has had / for

`7`.have lived / since

`8`.hasn't had / for

`\text{@ TheFox}`

1. Joe has been at this school for five years.
2. Where’s Alison? I haven’t seen her since this morning.
3. Mr Wayne has known his wife since they were both small children.
4. Ben has not seen his uncle for several years.
5. I haven’t been very well since Monday.
6. My brother has had his new mountain bike for two weeks.
7. They have lived here since they first came to Britain.
8. The poor animal is vary hungry. It has not had anything to eat for days.

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