`3.`

`1.` Sarah has just sent me a text message. (just đứng trước VpII)

`2.` Cameron hasn't done his homework yet. (yet đứng cuối câu)

`3.` They have lived in Barcelona for three years.(for + time đứng cuối câu)

`4.` I haven't played the piano since last month. (since + time đứng cuối câu)

`5.` We have already seen that film. (already đứng trước VpII)

`6.` I have worn glasses for two years.

`7.` Nico has just scored a goal.

`-` Cấu trúc thì HTHT

`( + )` S + have/has + VpII + O

`( - )` S + haven't/hasn't + VpII + O

`( ? )` Have/Has + S + VpII + O?

`-` I, you, we, they + Các chủ ngữ số nhiều `=>` Have

`-` He,she,it + Các chủ ngữ số ít `=>` Has