`1.` He hasn't gone abroad before .

`2.` She has been driving for `1` month .

`3.` We have eaten since it started to rain .

$\text{This is the first time + S + have/has + P2 = S+ have/has not + P2 + before}$

`4.` I haven't my hair cut since I left her .

$\text{S + have/has + not + for + time }$

`5.` She hasn't kissed me for `5` months .

$\text{S + have/has + not + for + time }$

`6.` We haven’t met for a long time.

$\text{S + have/has + not + for + time }$

`7.` How long have you had it ?

$\text{How long + have/has + S + Ved/P2 + …? }$

`8.` I haven’t had such a delicious meal.

$\text{It + Be/V + such + (a/an) + (adj) + N(s) + that + S + V}$

`9.` The last time I saw him was `8` days ago.

$\text{The last time + S + Ved + was + time + ago}$

`10.` It is the first time I have taken a bath since Monday.

$\text{ It/this/S + is/was + the first time + (that) + S + have/has + P2}$

$chucbanhoctot$
$\textit{~KaitoKid!}$

1. This is the first time he went abroad

⇒ He hasn't gone abroad before

Giải thích: Cấu trúc: the first time+S+V²/ed → S+havd/has+V³/ed...+ before.

2. She started driving 1 month ago

⇒ She has been driving for 1 month

Giải thích: Cấutrúc: S+started+Ving... +ago→S+have/has+been+Ving +for/since...

3. We began eating when it started to rain.

⇒We have been eating when it started to rain

Giải thích: Cấu trúc: S+began+V-ing...→S+have/has+been+V-ing

4. I last had my hair cut when I left her.

⇒ I haven't my hair cut when I left her.

Giải thích: Cấu trúc: S+last+V²/ed...→S+have/has+not+V³/ed...+for/since+...

5. The last time she kissed me was 5 months ago.

⇒ She hasn't kissed me for 5 months. 

Giải thích: Cấu trúc: The last time+S+V²/ed→S+have/has+not+V³/ed+for/since

6. It is a long time since we last met.

⇒ We haven't met for a long time. 

Giải thích: Cấu trúc: It's+time+since+S+(last)+V²/ed→S+have/has+not+V³/ed+.....+for+time

7. When did you have it?

⇒ How long have you had it?

Giải thích: Cấu trúc: When did+did+S+V-inf...?→How long+have/has+S+V³/ed.

8. This is the first time I had such a delicous meal.

⇒ I haven't had such a delicous meal before.

Giải thích: Cấu trúc: the first time+S+V²/ed...→S+have/has+V³/ed.

9. I haven't seen him for 8 days.

⇒ The last time I saw him was 8 days ago.

Giải thích: Cấu trúc: S+have/has+not+V³/ed... for/ since+....→The last time+S+V²/ed...was 

10. I haven't taken a bath since  Monday.

⇒ It is Monday since I last took a bath

Giải thích: Cấu trúc: S+have/has+not+V³/ed+...+for+time→It is+time+since+S+last+V²/ed.

cho mình 5* sao nha

#QuynhVan