1. Mine

2. Ours

3. Hers

4. His

5. Yours

6. Ours

7. Theirs

8. Mine

9. His

10. Ours

Was walking - Saw - Said - Walked

While + S + was/were + doing sth, S + V-ed + N/Adj.

S + V-ed + N/Adj.

A.

A. Ngay trong đầu năm

Nếu không thì cây sẽ không đủ chất dinh dưỡng, dẫn đến héo/chết cây.

It was such thick ice that there was no danger of the skaters falling through.

She looked such ill that her parents took her to the hospital.

It was such dirty water that we decided not to go swimmimng.

She said that she had met Mr. Bean before.

S + said/say/told/tell + ( that ) + S + have/has/had + V-p3.

Necessary = Quan trọng/Cần thiết/Thiết yếu

Nước khoáng/sạch rất quan trọng/cần thiết/thiết yếu cho tất cả mọi người.

1. If there aren't factories nearby dumps contaminate every day, there won't be air pollution.

2.2. He said to me that he won't meet my parents.

Ha Long Bay is one of the most attractive places in Vietnam.

S + is/am/are + V-est ( most V-inf ) + ...

1. They came back home after they have finished their work.

Họ về nhà sau khi họ hoàn thành công việc của họ.

S + V-ed + O + preposition + S + have/has + V-p2 + O.