*Mệnh đề phụ chỉ mục đích ta dùng: So that/ In order that(để mà)

1.We hurried to school so as not to be late

->We hurried to school so that we wouldn't be late.

(Chúng tôi vội vã đến trường để không bị trễ.)

2. He climbed up the tree in order to get better view.

->He climbed the tree in order that he could get a better view.

(Anh ấy trèo lên cây để có thể nhìn rõ cảnh vật hơn.)

3. You should get up early so that you will have time to review your lesson.

->You should get up early in order to have time to review to lesson.

(Bạn nên dậy sớm để có thời gian ôn bài.)

4.Some young people like to earn their own living in order to be independent of their parents.

->Some young people like to earn their own living so that they could be independent of their parents.

(Một số thanh niên thích tự kiếm sống để không phụ thuộc vào cha mẹ của họ.)

1. We hurried to school so that we wouldn't be late.
2. He climbed the tree so that he would get a better view.
3. Some young people like to earn their own living in order that they are independent of their parents.
4. We should do morning exercises in order to improve our health.
5. We should take advantage of the scientific achievements of the world in order to develop our national economy.
6. Every people in the world must unite their efforts so as to maintain and protect peace.
7. She put on warm clothes so that she wouldn't catch cold.
8. He hurried to the station so that he wouldn't miss the train.
9. She locked the door so that she wouldn't be disturbed.
10. I tried to be on time so that uor teacher wouldn't be sad.

Cấu trúc : 

S + V - ed 

he / she / it / 1 người trở lên +V s / es 

I / you / we / they / 2 người trở lên + V

Thì HTĐ : S + V s / es <---> S + be + V3 ( by O )

- Thì QKĐ : S + V ed <---> S + was / were + V3 ( by O )

- Thì HTTD : S + be + V-ing <--> S + am,is,are + being + V3 ( by O )

- Thì QKTD : S + was / were + V-ing <---> S + was / were + being + V3 ( by O )

- Thì HTHT : S + have / has + V3 <---> S + have / has + been + V3 ( by O )

- Thì TLĐ : S + will + V <---> S + will be + V3 ( by O )