14. He hasn't been in touch with her for three weeks

15. Mr. John last visit France in 1990 (S + last + QKĐ (khẳng định) …+ when + mệnh đề)

16. It's been in touch with her for three weeks

17. It is the first time time I have eaten this kind of food (It is the first time + (that/this) + S + have/has + Verb (PP) )

18. She hasn't driven a car.  (S +have/has + never + P2 + before)

19. I last heard him was in July (S + last + QKĐ (khẳng định) …+ when + mệnh đề)

#morika

`14`.→He hasn't been in touch with me for three weeks

$\text{(Thì Hiện tại hoàn thành:S+Has/Have+Vpp+O)}$

`15`.→Mr.John last visited France in 1990

$\text{(S+Last+V(ed/2)+Time)}$

`16`.→It's three weeks since it rained.

$\text{(Since+Qúa Khứ Đơn)}$

`17`.→It is the first time I have eaten this kind of food.

$\text{(It is the first time+S+Has/Have+Vpp+O)}$

`18`.→She has never driven a car before

$\text{(S+Has/Have+Never+VpII+.....+Before)}$

`19`.→I last heard him was in July

$\text{(Như câu 15)}$

$\text{@TriLeCongTri}$

$\text{chúc bạn học tốt!!!!!!}$