`1.` How long have you been to Africa?

`@` be `->` was/were `->` been

`2.` I have been there for three years.

`->` for + khoảng thời gian

`@` be `->` was/were `->` been

`3.` How long has he lived in Berlin?

`@` live `->` lived `->` lived

`4.` He has lived there since 2002.

`->` since + mốc thời gian

`@` live `->` lived `->` lived

`5.` Where have you been today?

`@` be `->` was/were `->` been

`6.` I have been at the hospital.

`@` be `->` was/were `->` been

`7.` Have you ever played golf?

`@` play `->` played `->` played

`8.` No, I have never played golf.

`@` play `->` played `->` played

*Bonus:

`=>` How long + has/have + S + V3(ed/BQT) + O?

* `=>` Cấu trúc thì Hiện tại hoàn thành:

`(+)` S + have/has + V3(ed/BQT) + O.

`(-)` S + have/has + not + V3(ed/BQT) + O.

`(?)` Have/Has + S + V3(ed/BQT) + O?

Wh_ + has/have + S + V3(ed/BQT) + O?