1. She (visit) Hanoi several times this year.
2. He (lose) all his fortune in gambling.
3. It’s the most difficult exam I ever (take).
4. This is the first time I (be) Ha Long Bay.
5. Is this the second time he (lose) his job ?
6. How many bottles the milkman (leave) ?  He (leave) six.
7. I (buy) a new carpet. Come and look at it.
8. She (write) three poems about her fatherland.
9. We (finish) three English courses.
10. The foreign visitors (take) a lot of photographs of Hanoi city.
11. (you/have) a reply to your letter?
12. I (not/meet) her again since her last birthday.

`1)` has visited

`2)` has lost

`3)` have ever taken

`4)` have ever been

`5)` has lost

`6)` did `-` leave `-` left

`7)` have bought

`8)` has written

`9)` have finished

`10)` have taken

`11)` Have you had

`12)` haven't met

`-`

`@` HTHT:

`-` S + have/has (not) + V3 ...

`-` S + have/has + never + V3 ... : ai chưa từng làm gì

`-` Have/Has + S + ever + V3 ... ? : ai đã từng làm gì chưa?

`->` `(+)` Yes, S have/has.

`->` `(-)` No, S have/has not.

`-` How many/much + N + have/has + S + V3 ... ? `=>` hỏi số lượng

`-` DHNB: since [mốc thời gian], for [thời gian], ever, never, just, ...

`=>` diễn tả một hành động trong quá khứ có kết quả hiện tại

`=>` diễn tả một hành động đã xảy ra nhiều lần trong quá khứ và có thể tiếp tục xảy ra trong tương lai

`=>` diễn tả một hành động không xác định thời gian cụ thể

`=>` diễn tả một hành động vừa mới xảy ra (just)

`-`

@magnetic

`1` has visited

`2` has lost

`3` have ever taken

`4` have been

`5` has lost 

`6` has ... left ? / has left

`7` have bought

`8` has written

`9` have finished

`10` have taken.

`9`  Have you replied.

`10`  haven't met.

`@` Thì HTHT :

`+` KĐ : S + have / has + VpII

`+` PĐ : S + haven't / hasn't + VpII

`+`  NV : Have / Has + S + VpII ?

`+` DBNH:yet , already , since , for , never , so far , ... 

`+`  I , You , We , They`+`  have

`+` He , She , It`+` has