` 1 ` ; She enjoys taking part in outdoor activities after school

` - ` S + enjoy / enjoys + V-ing / N : Ai đó thích làm việc gì / cái gì

` 2 ` : My sister has donated blood since ` 2018 ` 

` -` S + started / began +  V-ing / to V + in + 1 mốc thời gian

` =` S + have / has + ` V3 `+ since + 1 mốc thời gian

` 3 `: Fruit and vegetables were sold here yesterday 

` -` Bị động quá khứ đơn 

`( + ) ` : S + was / were + ` V3 `+ by + O

`-` Dấu hiệu nhận biết : yesterday

` 4 `: The film was not as short as we thought at first

` -` Cấu trúc so sánh bằng với tính từ

` - ` S1 + be ( not ) + as + adj + as + S2