1. Cụm từ chỉ mục đích: Khẳng định: S + V + to in order to so as to + V1 … Ex: He went to France to study French. He does morning exercises in order to improve his health. Phủ định: S + V + in order not to so as not to + V1 … Ex: She is hurrying so as not to miss the bus. For + Noun: cũng có thể được dùng để nói đến mục đích của ai khi làm việc gì đó. I went to the store for some bread. For + O + toinf. dùng để nói đến mục đích liên quan hành động của người khác I gave him my address. I wanted him to write to me. → I gave him my address for him to write to me. 2. Mệnh đề chỉ mục đích: Khẳng định: S + V + so that in order that + S + will can would could …+ V1 ... Ex: I’ll try my best to study English so that I can find a better job. Phủ định: S + V + so that in order that + S + won’t can’t couldn’t wouldn’t …+ V1 .. Ex: I put the milk in the fridge in order that it won’t spoil. Note: Khi mệnh đề chính và mệnh đề trạng ngữ chỉ mục đich không cùng chủ từ thì không nên dùng cụm từ chỉ mục đích; có thể dùng for + O + toinf Ex: I left the door unlocked so that my son could get in. Or: I left the door unlocked for my son to get in.
Trang 1CỤM TỪ CHỈ MỤC ĐÍCH
Khẳng định: S + V + to/ in order to/ so as to + V
Phủ định: S + V + in order not to/ so as not to + V
Eg:
- He went to France to study French.
- He does morning exercises in order to improve his health.
- She is hurrying so as not to miss the bus.
Trang 2MỆNH ĐỀ CHỈ MỤC ĐÍCH
Hiện tại/ tương lai
S + V + so that/ in order that + S + will/ can/ + V Quá khứ
S + V + so that/ in order that + S + would/ could + not + V Eg:
- I’ll try my best to study English so that I can find a better job.
- I put the milk in the fridge in order that it won’t spoil.
- She tried to work harder so that she could earn more money.
Trang 3Exercise 1: Rewrite the following sentences, using phrases of purpose:
to/ in order to/ so as to.
1 Leave early so that you may get home before dark
2 This man changed his address constantly so that he could avoid the police
3 I shouted in order that I could warn everyone of danger
4 Banks are developed so that they can keep people’s money safe
5 Mary went to the library in order that she could borrow some books
6 Yesterday, my father went to the bank so that he would open a checking account
Trang 4Exercise 2: Rewrite the following sentences, using clauses of purpose: so
that/ in order that.
1 We hurried to school so as not to be late
2 He climbed the tree in order to get a better view
3 Some young people like to earn their own living in order to be independent of their parents
4 We should do morning exercises so as to improve our health
5 We should take advantage of the scientific achievements of the world so as
to develop our national economy
6 Every people in the world must unite their efforts to maintain and protect