I- S + has/ have + not+ VED/3 + for + time
It is + time since S + last+ V(QKĐ)
- Eg: Mary has not eaten anything for 3 days.
→ It is 3 days since Mary last ate something. (remember: since Sb last did St)
1- Tom has not swum for 3 months.
It is……………………………………………………………………………
2- Jim has not gone out for two days.
It is…………………………………………………………………………
3- Nicky has not seen her for 2 years.
It is…………………………………………………………………………
5- Tom and Alice haven’t lived together for 5 weeks.
It is…………………………………………………………………………
II. S + haven’t/ hasn’t + VED/3 St before.
It’s/ This is the first time Sb have/ has+ VED/3 St:
1- We haven’t seen the car before.
It’s the…………………………………………………………………………
2- I haven’t gone there before.
It’s the …………………………………………………………………………
3- They haven’t performed here before.
It’s the…………………………………………………………………………
4- Nam hasn’t held a girl’s hand before.
It’s the…………………………………………………………………………
5- Duy hasn’t read this kind of story before.
It’s the…………………………………………………………………………
III. S + haven’t/ hasn’t done St + for + time
The last time Sb did St was + time + ago.
Sb last did St + time+ ago.
1- She hasn’t eaten fish for 2 months.
She last ate fish 2 months ago.
The last time she ate fish was 2 months ago.
2- We haven’t seen her since last week.
We last…………………………………………………………………………
The last time we…………………………………………………………………………
3- We haven’t met each other since we graduated.
We last…………………………………………………………………………
The last time we…………………………………………………………………………
4- It hasn’t rained for 4 months.
It last…………………………………………………………………………
The last time it…………………………………………………………………………
5- Mc Alister hasn’t cooked since he was sick.
Mc Alister last…………………………………………………………………………
The last time…………………………………………………………………………
IV. S + began/ started to V / V-ing ... ago/ when (in)
Sb have/ has done St ... for/ since:
Lưu ý: ago for
In/ when before
1- She started to dance ten years ago.
She has danced for ten years. ( ten years la khoảng thời gian vì thế ta dùng for)
2- They began to smoke 20 years ago.
They have…………………………………………………………………………
3- Mr Doone started to work here when he graduated.
Mr Doone has…………………………………………………………………………
4- The nice girl began dancing in 1990.
The nice girl has………………………………………………………………………
5- We began to study English when we were too young.
We have ………………………………………………………………………………
V. How long have/ has S VED/3 …?
When / How long ago / did Sb begin/ start + toV…?
1- How long have you learnt English?
How long ago did you begin to learn English?
2- How long have you painted the door?
When …………………………………………………………………………?
3- How long have you jogged?
When …………………………………………………………………………?
4- When did you begin to speak Cambodia?
How long …………………………………………………………………………?
5- When did you begin to listen to Big Bang?
How long …………………………………………………………………………?
Loga
Sinh Học lớp 12
