viết lại câu : l haven't done voluntary work for three years => The last time

Viết lại câu: I haven't done voluntary work for three years

`=>` The last time I did vouluntary work was three years ago

`***` Cấu trúc viết lại câu:

`@` S + have/has + VP2 + O

`=>` The last time + S + VP2 + O + was + mốc/khoảng thời gian + ago

The last time I did voluntary work was three years ago .

`- - - - - - - - `

S `+` haven't / hasn't `+` V3/ed `+` for `+` time

`->` The last time `+` S `+` V2/ed `+` was `+` time `+` ago

`#me`