2. A: Have/ built

    B: have/ have gone

3. A: Has/ taken care of

    B: hasn't

4. A: Have/ lived

    B: haven't lived, have travelled

`\text{Hiện tại hoàn thành}`

(+) S + have/has + S + VPII + (O).

(-) S + haven't/hasn't + S + VPII + (O).

(?) Have/Has + S + ever + VPII + (O)?

Yes, S + have/has

No, S + haven't(have not)/hasn't(has not).

Đáp án:

2) A. Have you ever built a fire ?

B. Yes I have. I have gone camping several times.

3) A. Has she ever taken care of farm animal ?

B. No, she hasn't but she has a few pets.

4) A. Have they ever lived abroad ?

B. They haven't lived overseas but they have traveled abroad

Giai thích:

Cấu trúc: -Have/ Has + S + VpII +… ?

  Trả lời:

       Yes, S + have/ has.

        No, S + haven’t/ hasn’t.