`16.` have worked (for three years: DH thì HTHT)

`17.` Have - been (ever: DH thì HTHT)

`18.` haven't done (yet: DH thì HTHT)

`19.` have just seen (just: DH thì HTHT)

`20.` have - decided (just: DH thì HTHT)

`21.` has been (for seven hours: DH thì HTHT)

`22.` hasn't had (a long time: DH thì HTHT)

`23.` hasn't played (since: DH thì HTHT)

`24.` haven't had (since: DH thì HTHT)

`25.` haven't seen (for five years: DH thì HTHT)

`26.` have - realized (just: DH thì HTHT)

`27.` go (chia ở thì HTĐ)

`28.` do you know (giống câu `27`)

`29.` Do you take (giống câu `27`)

`30.` Has she eaten (yet: DH thì HTHT)

`->` Cấu trúc thì Hiện tại hoàn thành:

`(+)` S + have/has + Ved/V3

`(-)` S + haven't/hasn't + Ved/V3

`(?)` Have/Has + S + Ved/V3?

`Parkchaeyoung`

`Answer:`

`16,` have worked

`@` Dùng HTHT vì có "for three years" là DHNB

`@` Công thức: S `+` have/has `+` V(ed/`P_2`)

`17,` Have.......been

`@` Dùng HTHT vì có "ever" là DHNB

`18,` haven't done

`@` Dùng HTHT vì có "yet" là DHNB

`19,` have just seen

`@` Dùng HTHT vì có "just" là DHNB

`20,` have......decided

`@` Dùng HTHT vì có "just" là DHNB

`21,` has been

`@` Dùng HTHT vì có "for seven hours" là DHNB

`22,` hasn't had

`@` Dùng HTHT vì có "a long time" là DHNB

`23,` hasn't played

`@` Dùng HTHT vì có "since" là DHNB

`24,` haven't had

`@` Dùng HTHT vì có "since" là DHNB

`25,` haven't seen

`@` Dùng HTHT vì có "for five years" là DHNB

`26,` have.....realized

`@` Dùng HTHT vì có "just" là DHNB

`27,` go

`@` Dùng HTĐ để chia

`@` Công thức: S `+` V(s/es)

`28,` do you know

`29,` Do you take

`30,` Has she eaten
`@` Dùng HTHT vì có "yet" là DHNB