Cấu trúc chung : 

` - `  S + started / began + V-ing / to V + 1 khoảng TG +ago

` = ` S + have / has + VPII + for + 1 khoảng TG

Hoặc ;

` -`  S + started / began + V-ing / to V + when + S + V-ed / V2

`= ` S + have / has + VPII + since + 1 mốc TG / QKĐ 

` 1 `: I have learnt English for 8 years

` 2 ` : Hoa has played badminton since 2015

` 3 `: My father has worked in this company since he was 30

I began to learn English 8 years ago

`->` I have learnt English for 8 years

`-` Tôi đã học Tiếng Anh 8 năm

Hoa started playing the badminton in 2015

`->` Hoa has played badminton since 2015

`-` Hoa chơi cầu lông từ năm 2015

My father began working in this company when he was 30

`->` My father has worked in this company since he was 30

`-` Bố tôi đã làm việc trong công ty này từ năm 30 tuổi

* Thì quá khứ

* Cấu trúc:

`-` S `+` started/began `+` V - ing/to V `+` thời gian `+` ago

`-` S `+` have/has `+` `VP`$_{II}$ for `+` thời gian

$#Ling$