Cấu trúc bth

` ( + ) ` : S + have / has + VPII

` ( - ) ` : S + haven't / hasn't + VPII

` ( ? ) ` : have / has + S + VPII ?

Cấu trúc kết hợp :

` -> ` S + have / has + VPII + for + 1 khoảng TG

` -> ` S + have / has + VPII + since + 1 mốc TG

` -> ` S + have / has + already + VPII

` -> ` S + haven't / hasn't + VPII + yet

` 5 ` VD về thì HTHT

` ( + ) ` : I have seen this flim 3 times

` ( + ) `  : I think i have met him before

` ( - ) `  : She hasn't met her parents for 3 months

` ( - ) `  : He hasn't eaten anything since last night

` ( ? ) `  : Has he met her parents yet ? Yes he has / No he hasn't

`1`. Câu khẳng định

`+` We have worked for this company for 4 years. 

`+` She has started the assignment. 

`2`. Câu phủ định

`+` We haven’t met each other for a long time.

`+` Daniel hasn’t come back his hometown since 2015.

`3`. Câu nghi vấn

`+` Have you ever travelled to Vietnam ? 

 Yes, I have./ No, I haven’t.

`+` Has she arrived London yet ?

 Yes, she has./ No, she hasn’t.