#Suy.

`18.` I haven't had a delicious meal before.

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

`20.` It is Monday since I last took a bath.

`21.` I have not had a punture for 2 years.

`22.` He has not earned any money for 2 months.

`23.` He hasn't shaved since the day before yesterday.

`24.` I haven't drunk champagne since my brother's wedding.

`25.` I haven't been in Rome for 2 years.

`-` CT : S + last + V-ed/c2 + ... + time ago / in time 

`=` S + haven't / hasn't + Vpp + ... + for time / since time

`-` CT : It's + time + since + S ( last ) + V-ed/c2 + ...

`=` S + haven't / hasn't  + Vpp + for + time

`-`  CT : This is the first time + S + have / has + Vpp

`=` S + have / has + never + Vpp + before

`-` CT : The last time + S + V-ed/c2 + ...+ was + time ago / in time

`=` S + haven't / hasn't + Vpp + ... + for time / since time

18. I haven't had such a delicious meal before 

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

20. It is monday since I last took a bath 

 21.  I have not had a punture for 2 years .

22. He has not earned any money for 2 months 

23. He hasn't shaved the day for 2 days . 

24. I haven't drunk champagne since my brother's wedding 

25. I haven't been to Rome for 2 years 

* Lý thuyết thì hiện tại hoàn thành : 

+ Công thức thì hiện tại hoàn thành : S  +have / has + Ved /V3

--> Dùng để diễn tả một hành động xảy ra trong quá khứ và vẫn còn tiếp diễn ở hiện tại 

+ Khi sử dụng cấu trúc the last time phải có tobe was . 

------------- Chúc bạn học tốt %_% ------------------------------