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I. Combine each pair of sentence, using in order(not) to or so as(not) to
1. I went to the library. I wanted to return some books⇒I went to the library so as to return some books
2. I come home early. I want to watch the news
⇒I come home early so as to watch the news
3. Jane wears warm clothes. She doesn't warm to get cold
⇒Jane wears warm clothes so as not to get cold
4. My mother went to the market. She wanted to buy some food
⇒My mother went to the market so as to buy some food
5. We got up early. We didn't want to miss the train
⇒We got up early in order not to miss the train
6. People use first-aid. They wanted to ease the victim's pain and anxiety
⇒People use first-aid in order to ease the victim's pain and anxiety
7. She turned out the lights. She didn't want to waste electricity⇒She turned out the lights in order not to waste electricity
8. We hurried to school. We didn't want to be late
⇒We hurried to school in order not to be late
9. I always keep the window open. I wanted to let fresh air in
⇒I always keep the window open in order to get fresh air
I. Use to/ in order to/ so as(not) to + infinitive to combine each pair of sentences
1. Mother entered the room quietly. She didn’t want to wake up her baby.
=> Mother entered the room quietly in order not to wake up her baby.
2. Mary phoned me. She wanted to invite me to the party.
=> Mary phoned me to invite me to the party.
3. We are learning English. We can get a good job.
=> We are learning English so as to get a good job.
4. I took off my shoes. I didn’t want to make any noise.
=> I took off my shoes in order not to make any noise.
5. My mother needs a tin-opener. She wants to open this bottle.
=> My mother needs a tin-opener to open this bottle.
6. Ken is learning Vietnamese. He wishes to read Kiều.
=> Ken is learning Vietnamese so as to read Kiều.
7. He turned off the lights. He didn’t want to waste electricity.
=> He turned off the lights in order not to waste electricity.
8. She locked the door. She doesn’t want to be disturbed
=> She locked the door so as not to be disturbed.
9. Some evenings I go to the library. I want to study in peace and quiet.
=> Some evenings I go to the library to study in peace and quiet.
10. After Jack got home from work, he turned on the TV.He wanted to watch the news
=> After Jack got home from work, he turned on the TV to watch the news.
1. I'll write to mai so as to invite her to my birthday party
2. I am learning EL in order to red books in EL
3 . You have to wear warm clothes in order not to catch a cold
4. He hurried up to the station in order not to miss the train
5. Mrs.hoa gave up her job in order for her children to have more time
.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.
Ex1: Rewrite the following sentences so that the second sentence means exactly the same as the sentence before it:
1. Although she was not beautiful, she took part in a beauty contest.
-> She wasn't beautiful but she took part in a beauty contest.
2. It was raining, so we decided to postpone our camping.
-> Since it was raining, we decided to postpone our camping.
3. She wants them to sing a song.
-> She suggests they should singing a song.
4. She couldn't come to class because of her illness.
-> As she was ill, she couldn't come to class.
5. She couldn't join us because she was busy.
-> She was busy, so she couldn't join us.
6. Because of having a lot of difficulties, she managed to sell the house.
-> As she had a lot of difficulties, she managed to sell house.
7. Shall we go to the cinema tonight ?
-> What about going to the cinema tonight?
8. They requested us to leave the place at once.
-> They suggested we leaving the place at once.
9. I stay at home because it is raining.
-> As it is raining, I stay at home.
10. She was tired and therefore wanted to go home.
-> She wanted to go home because of tiring
Ex2: Complete the sentences using and / but / so / or / because:
1. I like Linda very much ..but... I don't like her brother.
2. I'd like to live somewhere by the Mediterranean ..because... I love the Sun.
3. We enjoy learning English ....so..... we find it very difficult.
4. I can't go out tonight ....because..... I am short of money.
5. She went to the theatre last night ....and.... had a wonderful time.
6. They can't walk home ......because...... it is very dark.
7. Would you like to drink milk .....or....coffee ?
8. It's raining heavily, ....so.... I can't go out.
9. He did the tests well ...and...I did, too.
10. His life was hard ....but... he studied very well.
Ex3: Use connectives to combine each pair of the sentences:
1. He is very tired. He has to finish his homework. (but)
-> He is very tired but he has to finish his homework.
2. The room is very small. It's quite comfortable. (although)
-> Althought the room is small, it's quite comfortable.
3. They went for a walk. The weather was bad. (but)
-> The weather was bad but they went for a walk.
4. Our teacher didn't arrive late. The traffic was terrible. (although)
-> Althought the trafic was terrible, our teacher didn't arive late.
5. I like watching TV. I like going to the cinema. (and)
-> I like watching TV and going to the cinema.
6. She wears glasses. She wants to see better. (because)
-> She wears glasses because she wants to see better.
Study well. 
1. He is very tired. He has to finish his homework. (but)
-> He is very tired but he has to finish his homework.
2. The room is very small. It's quite comfortable. (although)
->Although the room is very small, It's quite comfortable.
3. They went for a walk. The weather was bad. (but)
-> The weather was bad but they went for a walk.
4. Our teacher didn't arrive late. The traffic was terrible. (although)
-> Although the traffic was terrible, our teacher didn't arrive late.
5. I like watching TV. I like going to the cinema. (and)
-> I like watching TV and going to the cinema.
6. She wears glasses. She wants to see better. (because)
-> She wears glasses because she wants to see better.
1. combine the following sentences with " so that"
1. he studies very hard. She doesn't want to fail the final examination
She doesn't want to fail the final examination so that she studies very hard.
2. she practices English every day. She wants to speak to foreigners
She wants to speak to foreigners so that she practices English every day.
3. we have to follow more than ten stages . We can make a simple conical hat
we have to follow more than ten stages so that we can make a simple conical hat
4. she bought a new car. She wanted to make a tripto Canada
She wanted to make a tripto Canada so that she bought a new car
5. I got early. I didn't want to be late for school
I didn't want to be late for school so that I got early
6. we lower the volume of the radio . We don't want to brother our neighbours
We don't want to brother our neighbours so that we lower the volume of the radio
7. he driver very carefully. He doesn't want to have any accident
He doesn't want to have any accident he driver very carefully.
8. I spoke English very slow . I wanted the man to understand what I said
I wanted the man to understand what I said I spoke English very slow
9. I whispered . i didn't want anyone to hear our conversation
i didn't want anyone to hear our conversation so that I whispered
10. I slowed down . I wated the car behind to be able to overtake
I wated the car behind to be able to overtake so that I slowed down
Combine each pair of sentences, using so that; in order (not) to or so as (not) to
1, He always drives carefully. He doesn't want to cause accidents
He always drives carefully in order not to cause accidents
2, Please arrive early. We want to able to start the meeting on time
Please arrive early so that we are able to start the meeting on time
3, I went to the college. I wanted to see Professor Taylor
I went to the college in order to see Professor Taylor
4, She wore warm clothes. She didn't want to get cold
She wore warm clothes in order not to get cold
5, I closed the window. I didn't want anybody to look at my rooom
I closed the window so that nobody look at my rooom
6, We turned out the lights. We didn't want to waste electricity
We turned out the lights so as not to waste electricity
7, He moved to the front row. He could hear the speaker better
He moved to the front row so as to hear the speaker better
8, I left Dave my phone number. I wanted him to be able to contact me
I left Dave my phone number so that he would be able to contact me
9, Thanh and Nga are going to Australia. They want to learn English
Thanh and Nga are going to Australia so as to learn English
10, We hurried to school. We didn't want to be able
We hurried to school so as not to be late
1, He always drives carefully. He doesn't want to cause accidents
=> He always drives carefully in order not to cause accidents
2, Please arrive early. We want to be able to start the meeting on time
=> Please arrive early so that we can start the meeting on time
3, I went to the college. I wanted to see Professor Taylor
=> I went to the college so as to see Professor Taylor
4, She wore warm clothes. She didn't want to get cold
=> She wore warm clothes in order not to get cold
5, I closed the window. I didn't want anybody to look at my room
=> I closed the window so that nobody could look at my room
6, We turned out the lights. We didn't want to waste electricity
=> We turned out the lights in order not to waste electricity
7, He moved to the front row. He could hear the speaker better
=> He moved to the front row so as to hear the speaker better
8, I left Dave my phone number. I wanted him to be able to contact me
=> I left Dve my phone number so that he could contact me
9, Thanh and Nga are going to Austrlia. They want to learn English
=> Thanh and Nga are going to Australia so as to learn English
10, We hurried to school. We didn't want to be able
=> We hurried to school so as not to be able
II. Combine each of the following pairs of sentences into one sentence by using so as to or in order to .
1. I enter the room quietly. I don'i want to wake my younger sister up.
=>I enter the room quietly in order not to wake my younger sister up.
2. He is staying up late. He wants to see the final football match.
=> He is staying up late so as to see the final football match.
3. I have to put on my glasses. I want to see that film.
=>I have to put on my glassesin order to see that film.
4. I am studying hard. I don't want to fail the examination.
=> I am studying hard so as not to fail the examination.
5. She's on a diet. She wants to lose her weight
=> She's on a diet so as to lose her weight
6. I try my best to study. I want to get a good job.
=> I try my best to study in order to get a good job.
7. I spend much time practising English. I want to speak English well.
=> I spend much time practising English so as to speak English well.
8. I checked my test carefully. I don't want to make any mistakes.
=>I checked my test carefully so as not to make any mistakes.
9. Steve is going to the bank. He wants to cash a check.
=>Steve is going to the bank in order to cash a check
10. I'm going to the hospital. I want to visit a friend.
=>I'm going to the hospital so as to visit a friend
III. Change these sentences into the passive voice.
1. The milkman brings bottles of milk to houses.
=>Bottles of milk is brought to houses by the milkman
2. How do people learn languages?
=>How are languages learnt ?
3. John will collect me at the airport.
=>I will be collected at the airport by john
4. The manager must sign the cheque
=>The cheque must be signed by the manager
5. They kept me waiting for half an hour.
=>I was kept waiting for half an hour
6. They are building a new ring road round the city
=>A new ring road is being built round the city
7. We can't wear jeans at work
=>jeans can't be worn at work
8. Will you invite her to your birthday party'"?
=>Will she be invited to your birthday party?
9. They have built a new hospital near the airport.
=>A new hospital has been built near the airport
10. Do they speak French and English in Canada?
=>Are French and E spoken in Canada?
IV, Join the sentences . Use either the present participle phrase or the past participle phrase
1, The teacher is wearing a blue jacket . he teaches Mathematics
-> The teacher who is wearing a blue jacket teaches Mathematics
2, The boy was bitten by a dog . The boy is smart
->The boy who was bitten by a dog is smart
3, The garden is watered every morning . It is full of flowers
->The garden which is watered every morning is full of flowers
4, the computer broke down . It is an old one
-> the computer which broke down is an old one.
I, Use " so as to " or " in order to " to combine each pair of sentences
1, She phoned me last night . She wanted to know the result of the examination.
->.She phoned me last night in order to know the result of the examination.
2, My mother went to the market . She wanted to buy food.
->My mother went to the market so as to buy food.
3, The children are working very hard . Thay have to pass the final examination.
->The children are working very hard so as to pass the final examination.
4, We are saving monney . We want to buy a car
->We are saving monney so as to buy a car
II, Change into passive form
1, They looked after their children well
==>Their children were looked after well.
2, she buys potatoes everyday
==>Potatoes are bought by her everyday.
3, My mom cleans the floor every morning
==>The floor is cleaned by my mom every morning.
4, He will sove the problem soon
==>The problem will be solved soon by him.
5, Did you invite him to the party ?
==>Was he invited to the party?
6, We hasn't used meat to make spring rolls for a long time
==>Meat hasn't been used to make spring rolls for a long time
III, Combine each pair of sentences . Use ... adj + to-V .../ ....adj+that clause
1, They passed all the exams . Thay are happy
->They are happy to pass all the exam.
2, She can/t come . I'm afraid
->I'm afraid that she can't come.
3, We were sorry . We did nothing to help you
->...We were sorry to do nothing to help you
4, You wouldn't come back . I was worried
=>I was worried that You wouldn't come back