1.     We must pay the bill at once.

➔The bill ………………must be paid at once……………………………………………………………………………………

2.     I will repair your bicycle tomorrow afternoon.

➔Your bicycle .…………will be repaired tomorrow afternoon …………………………………………………………………………………

3.     Penicillin can cure  .

➔Many .………………………………………………………………………………………………………

4.     Does your country export rice to Britain?

➔Is rice …………exported……………………………………………………………………………………………

5.     Clement Clarke Moore wrote the poem in 1823. (bài thơ)

➔The poem …………was written by Clement Clarke Moore in 1823 ………………………………………………………………………………………

6.     Christmas cards should be sent a week before Christmas day.

➔You………should send Christmas cards before Christmas day ……………………………………………………………………………………………………

7.     Nobody has used this machine for years.

➔This machine ………hasn't been used for years……………………………………………………………………………………

8.     They use recycled plastic to make toys and utensils. (recycled: adj+N: đc tái chế)

➔Recycled …………plastic is used to to make toys and utensils………………………………………………………………………………………

9.     Tax free goods can be bought before you get on the plane.

➔You …………can bought Tax free goods before you get on the plane. ………………………………………………………………………………………………

10.                        The repairman is going to repair my car next week.

➔We are going to have ………………the repairman repair my car next week. ………………………………………………………………

11.                        They can make tea with boiled water.

➔Tea .......can be made with boiled water. .................………………………………………………………………......................

12.                        He is instructing all the workers of the plan at the moment.

➔All the workers of the plan ……are being instructed by him at the moment.……………………………………...............................

13.                         A boy has just taken some of my books away.

➔Some of my books .........…………have been taken away…………………………………………………….............

14.                        They will hold the celebration before January.

➔The celebration ..........will be held before January............………………………………………………………………....

15.                        They have to repair their car.

➔Their car ...............has to be repaired.........................……………………………………………………………

16.                        The boys broke the window last night.

➔The window ..............was broken by the boys last night.............……………………………………………………………….....

17.                        People spend much money on advertising everyday.

➔Much money ..is spent on advertising everyday. ..................................…………………………………………………………

18.                        Hung took some pictures of his father away yesterday.

➔Some pictures of his father ……were taken away by Hung yesterday. …………………………………….............................

19.                        They may use their rooms for the classrooms.

➔Their rooms ....................may be used for the classrooms. .....……………………………………………………………….......

20.                        The teacher is going to punish some students.

➔Some students ....................…are going to be punished by the teacher…………………………………………………………….......

rewrite the fllowing sentenses , using phrases of purpose
1,Mary went to the library in order that she could borrow some books(so as to do sth)

=> Mary went to the library so as to borrow some books.
2,Yesterday father went to the bank so that he would open a checking account(so as to do sth)

=> Yesterday father went to the bank so as to open a checking account.
3,I went to see him so that I could find what has happened (in order to do sth)

=> I went to see him in order to find what has happened.
4,tom is saving up so that he can buy a new bicycle( to do sth)

=> Tom is saving up to buy a new bicycle.
5,He hurried so that he could catch the train ( to do sth)

=> He hurried to catch the train.
6,she is learning French so that she will be able to spea when she it when she comes to paris( to do sth)

=> she is learning French to be able to spea when she it when she comes to paris.
7,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 your lesson.

1.       She bought the bicycle last year.

 The bicycle was bought last year.

2.       They write some letters every week.

 Some letters are written every week.

3.       The children cleaned the floor yesterday.

 The floor was cleaned by the children yesterday.

4.       I have met my friend at the beach.

 My friend has been met at the beach.

5.       Nam will send the letters next Sunday.

 The letters will be sent by Nam next Sunday.

6.       Her teacher gave me a pen last month.

 A pen was given to me by her teacher last month.

7.       Nobody meets her.

 She isn't met.

8.       People have never seen dragons.

 Dragons have never been seen.

9.       They hardly meet me at the beach.

 I am hardly met at the beach.

10.     She often sweeps the floor every morning.

 The floor is often swept every morning.

11.     They knew that he stole the car.

 They knew that the car was stolen.

12. Somebody has robbed the bank near our house.

 The bank has been robbed near our house.

13. Somebody told me to wait outside.

 I am told to wait outside.

14. Somebody has driven them to the airport.

 They have been driven to the airport.

15. They will complete the new highway from north to south next year.

 The new highway from north to south will be completed next year.

16. My aunt made this sweater for her son.

 This sweater is made for her son by my aunt.

17. The television station has broadcasted all the 22nd Sea Games competitions.

  All the 22nd Sea-Games competitions have been broadcasted by the television station.

18. My teacher asked me to be here at 10 am.

 I was asked to be here at 10 am by my teacher.

19. Thomas Edison invented the electric light bulb.

 The electric light bulb was invented by Thomas Edison.

20. She makes coffee for her parents every day.

 Coffee is made for her parents every day.

.Exercise 1: combine these sentences, using: in order to, so as to / so that

1. you want to stop the bleeding. You should cover the wound with a tower or a handkerchief.

You should cover the wound with a tower or a handkerchief to stop the bleeding

2. They got up very early. They wanted to get to the top of the hill before sunrise

They got up early to get to the top of the hill before sunrise

3. I bought a new screwdriver. I wanted to repair my bicycle.

I bought a new screwdriver to repair my bicycle

4. She wanted to make her body strong. She should eat lots of green vegetables.

She should eat lots of green vegetables to make her body strong

5. Jim finally went to the dentist. He wanted to get some relief from his toothache.

Jim finally went to the dentist to get some relief from his toothache.

6. Minh is studying hard. He wants to pass the exam with good results.

Minh is studying hard to pass the exam with good results

7. My father goes jogging everyday. He wants to improve his health.

My father goes jogging everyday to improve his health

8. She wants to stay here. She can perfect her english.

She wants to stay here to perfect her english.

9. He locked the door. He didn't want anybody to disturb him.

He locked the door in order not to be disturbed

10. We turn off the lights after use. We don't want to waste electricity.

We turn off the lights after use in order not to waste electricity.

.Exercise 1: combine these sentences, using: in order to, so as to / so that

1. you want to stop the bleeding. You should cover the wound with a tower or a handkerchief.

........................................You should cover the wound with a tower or a handkerchief in order to stop the bleeding...........................................

2. They got up very early. They wanted to get to the top of the hill before sunrise

...................................They got up very early so as to get to the top of the hill before sunrise................................

3. I bought a new screwdriver. I wanted to repair my bicycle.

.....................................I bought a new screwdriver in order to repair my bicycle.............................

4. She wanted to make her body strong. She should eat lots of green vegetables.

............................................She sould eat lots of green vegetables so as to make her body strong.........................

5. Jim finally went to the dentist. He wanted to get some relief from his toothache.

............................................Jim finally went to the dentist so as to get some relief from his toothache................................

6. Minh is studying hard. He wants to pass the exam with good results.

...........................................Minh is studyngi hard in order to pass the exam with good results................................

7. My father goes jogging everyday. He wants to improve his health.

.............................................My father goes jogging everyday so as to improve his health................................

8. She wants to stay here. She can perfect her english.

............................She can perfect her English in order to stay here............................

9. He locked the door. He didn't want anybody to disturb him.

...............................He locked the door so that nobody could disturb him................................

10. We turn off the lights after use. We don't want to waste electricity.

....................................We turn off the lights after use so as not to waste electricity....................................

* In order to= so as to = to +V<infinitive>

So that + Clause

Cấu trúc : S1+ V1+ 01 +in order to / so as to/ to + V<infi> + C2

= S1+V1+ 01+ so that + Clause < S + can/could + V2+ O2>

Thực ra bạn có thể biến đổi linh hoạt giữa hai cấu trúc này vào bài làm của mình. Chú ý là ta dùng "can" khi mệnh đề trc ở HT hoặc TL và " could" khi Clause trc ở QK

Chú ý tiếp là sau cụm " in order to/ so as to/ to + V< infi> => V này là V chính của Mệnh đề thứ 2 nhé

Có thể thêm (not) trc to để tạo nên phủ định : in order not to / so as not to / not to

Your bicycle will be repair by me tomorrow 
When Nam arrives to home , his father is watching TV
Would you mind if i smoked ?
Thanks to invite me to the rice cooking festival 
I dont know how to play it 

1 your bicycle will be repaired by me tomorrow

2 when nam arrived to home, his father was watching tv

3 would you mind if i smoked

4 thank you for inviting me to the rice-cooking festival

5 i don't know how to play it

Rewrite the following sentences, using phrase of purpose.

1. Leave early so that you may get home before dark.

=> You should leave early in order to get home before dark.

2. This man changed his address constantly so that he could void the police.

=> This man changed his address constantly to avoid the police.

3. I shouted in order that I cuold warn everyone of danger.

=> I shouted so as to warn everyone of danger.

4. Banks are developed so that they can keep people's money safe.

=> Banks are developed in order to keep people's money safe.

5. Mary went to the library in order to that she could borrow some books.

=> Mary went to the library so as to borrow some books.

6. Yesterday father went to the bank so that he would open a checking account.

=> Yesterday father went to the bank in order to open a checking account.

7. I went to see him so that I could find out what had happened.

=> I went to see him so as to find out what had happened.

8. Tom is saving up so that he can buy a new bicycle.

=> Tom is saving up so as to buy a new bicycle.

9. He hurried so that he could catch the train.

=> He hurried so as to catch the train.

10. She is learning French so that she will be able to speak it when she comes to Paris.

=> She is learning French so as to speak it when she comes to Paris.

1. She said she had gone to the cinema the day before.

2. He said he was writing a test the following day.

3. I said I would do that for him.

4. She said she wasn't hungry then.

5. They said they had never been there before.

6. They said they had been in London the week before.

7. He said he would have finished that paper by the following day.

8. She said she would apply for her visa the following day.

9. Carlos said he had seen María in the supermarket the day before.

10. He said they had lived there for three years.