Rewrite.

1. Mr Thanh started working here six months ago.

Mr. Thanh has ............................................................

2. This is the first time I have seen him.

I have never..................................................................

3. I last saw him when I was a student.

I haven't .......................................................................

4. The last time she went out with him was two years ago.

She hasn't ...................................................................

5. It's ten years since I last met him.

I haven't .......................................................................

6. When did Phong start living in America?

How long ....................................................................

`-` Thì HTHT : 

`+` KĐ : S + have / has + VpII

`+` PĐ : S + haven't / hasn't + VpII

`+` NV : Have / Has + S + VpII ?

`=>` `DHNB` : since , for , already , never , so far , yet , ...

`*` I , You , We , They `+` have

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

`=>` Dùng để diễn tả hành động vừa mới xảy ra hoặc hành động đã xảy ra trong Quá khứ và kéo dài tới tận bây giờ

`1`.Mr.Thanh has worked here for `6` months

`2`.I have never seen him before

`->` This is the first time + S + have / has + VpII : Lần đầu tiên làm gì

`=>` S + have / has + never + VpII + before : Chưa từng làm gì trước đây

`3`.I haven't seen him since I was a student

`4`.She hasn't gone out with him for `2` years

`5`.I haven't met him for `10` years

`6`.How long have Phong lived in America ?

`->` When + did + S + start / begin + V-ing ? : Bắt đầu làm gì từ khi nào 

`=>` How long + have / has + S + VpII ? : Đã làm gì được bao lâu

`\text{# TF}`

`1`. Mr. Thanh has worked here for six months.

`-` S + have/has + VpII + for + time

`2`. I have never seen him before.

`-` S + have/has + never + VpII + before 

`3`. I haven't seen him since I was a student.

`-` S + have/has + not + VpII + since + S + V-ed/c2

`4`. She hasn't gone out with him for two years.

`-` S + have/has + not + VpII + for + time

`5`. I haven't met him for ten years.

`-` S + have/has + not + VpII + for + time

`6`. How long have Phong lived in America?

`-` How long + have/has + S + VpII?