1

`->` She hasn't taught English me for 5 months

2 

`->` We haven't met for a long time

3

`->` How long have you had it?

4

`->` I haven't had such a delicious meal before 

5 

`->` It is Monday since I last took a bath.

6 

`->` I have had a punture for 2 years

7 

`->` He has earned some  money for 2 months

8

`->` He hasn't shaved the day since yesterday

----------------------------------------

Công thức viết lại câu thì hiện tại hoàn thành

This is the first time +HTHT=S+have/has never+P2+O+before 

S+started / began +..=S+have/has+P2+..

S+last+Vpast+O=S+haven't/hasn't+P2+O

The last time + QKĐ=S+haven't/hasn't+P2+O

1 The last time she taught English me we was 5 months ago

=>She hasn't taught me English for 5 month.

2 It is a long time since we last met.

=>We haven't met for a long time.

3 When did you have it ?

=> How long have you had it ?

4 This is the first time. I had such a delicious meal.

=> I haven't had a delicous meal before.

5 I haven't taken a bath since Monday .

=> It is the last time I have taken a bath since Monday.

6 It's 2 years since I had a punture.

=> I haven't had a puniture for 2 years.

7 It's 2 month since he earned any money.

=> He has earned money for 2 months.

8 He last shaved the day before yesterday.

=> He hasn't shaved for 2 days.

Cấu trúc: 

S have/has +(not)+ V3 ...... for khoảng thời gian (since + mốc thời gian)

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