If he doesn't smokes so much, he can get rid of his cough.

If she isn't shy, she will enjoy parties.

If they speak English to her, her English will be improved.

If I can drive, we can take the car.

Ex1 : rewrite the sentences,use conditional sentences type :
1)I don't have a car , so I can't drive you to the airport.
=> ..If I had a car, I could drive you to the airport.
2. he doesn't any exercise,that's why he is so unhealthy.
=>...If he did some exercise, he wouldn' be unhealthy
3.he doesn't help me , possibly because I never ask him for help
=>...If I asked him for help, he would help me
4.I don't know his address,số I can't write to him.
=>...If I knew his address, I could write to him
Ex2:
1," I am going tomorrow mother" ,he said.
=>...He told his mother he was going tomorrow
2."it is so foggy to day "he said .
=>...He said it was so foggy that day
3."I have to clean the floor to day"he said sadly.
=>...He said sadly that he had to clean the floor that day
4.nothing can grow in my garden.it never get any sun",she said.
=>...She said nothing could grow in her garden because it never got any sun
5."if you answer the questions correctly you may win US$ 100", she said.
=>...She said if I answered the questions correctly I might win US$ 100
6.don't wear these boots in this house" ,she said to he child.
=>...She told the child not to wear these boots in that house
7."would you like to come on a picnic with us?"mike said to me .
=>...Mike invited me to come on a picnic with them

Ex1 : rewrite the sentences,use conditional sentences type :
1)I don't have a car , so I can't drive you to the airport.
=> If I had a car , I could drive you to the airport.
2. he doesn't any exercise,that's why he is so unhealthy.
=> If he did some exercise, he wouldn't be so unhealthy.
3.he doesn't help me , possibly because I never ask him for help
=> If I asked him for help, we would possibly help me.
4.I don't know his address,số I can't write to him.
=>  If I knew his address, I could write to him.
Ex2:
1," I am going tomorrow mother" ,he said.
=> He said to his mother that he was going the next day.
2."it is so foggy to day "he said .
=> He said that it was so foggy that day.
3."I have to clean the floor to day"he said sadly.
=> He said sadly that he had to clean the floor that day.
4.nothing can grow in my garden.it never get any sun",she said.
=> She said that nothing could grow in her garden because it never got any sun.
5."if you answer the questions correctly you may win US$ 100", she said.
=> She said that if I answered the questions correctly, I might win US$ 100.
6.don't wear these boots in this house" ,she said to he child.
=> She asked the child not to wear those boots in that house.
7."would you like to come on a picnic with us?"mike said to me .
=> Mike invited me to come on a picnic with them.,

rewrite these sentences, using conditional sentences

1, she is very shy ; that's why she doesn't enjoy parties

=> If she weren't very shy, she will enjoy parties.

2, he is very unhealthy because he doesn't take any exercise

=> If he took some exercise, he will be very healthy.

3, i didn't see the signal,so didn't stop

=>If I had seen the signal, I would have stopped.

4, the only way that i can take you is my father lends me a car

=> If my father lends me a car, I can take you

5, he doesn't save enough to bye a computer but he'd like to

=> If he saved enough, he would buy a computer.

6, i'd like to go with you tonight but i am very busy

=> If I weren't very busy, I would go with you tonight.

7, she wasn't able to answer the questions, so she failed the exam

=> If she had been able to answer the questions, she wouldn't have failed the exam.

8, the reason why didn't phone you wa that i didn't know your phone number

=> If I had known your phone number, I would have phoned you.

rewrite these sentences, using conditional sentences

1, she is very shy ; that's why she doesn't enjoy parties

=> If she weren't very shy, she will enjoy parties.

2, he is very unhealthy because he doesn't take any exercise

=> If he took some exercise, he will be very healthy.

3, i didn't see the signal,so didn't stop

=> If I had seen the signal, I would have stopped.

4, the only way that i can take you is my father lends me a car

=> If my father lends me a car, I can take you.

5, he doesn't save enough to bye a computer but he'd like to

=> If he saved enough, he would buy a computer.

6, i'd like to go with you tonight but i am very busy

=> If I weren't very busy, I would go with you tonight.

7, she wasn't able to answer the questions, so she failed the exam

=> If she had been able to answer the questions, she wouldn't have failed the exam.

8, the reason why didn't phone you wa that i didn't know your phone number

=> If I had known your phone number, I would have phoned you.

Mẫu câu conditional 1:

If + S + V, S + will + V

1. Turn off all the lights and you will not pay more money.
If you turn of all the lights, you won't pay more money.
2. Unless she wears warm clothes, she will have a cold.
If she doesn't wear warm clothes, she will have a cold.

CHÚ THÍCH: unless=if not
3. Be careful or you may have an accident.
If you don't be careful you may have a accident.
4. phone your parents or you have a trouble.
If don't phone your parents, you'll have a trouble.
5. Unless she whispers, everyone knows what she is saying.
If she doesn't whisper, everyone will know what she is saying.

an accident nha =))

C4 If you don't phone ...

Rewrite the fllowing sentences, using conditional sentence type II.

1. She is very shy; that's why she doesn't enjoy parties.

........If she weren't shy,she would enjoy parties....................................................................................

2. He doesn't take any morning exercises; that's why he is unhealthy.

........If he took some morning exercises,he would be healthy...................................................................................

3. You work too fast. That's why you make so many mistakes.

............If you didn't work too fast,you wouldn't make so many mistakes................................................................................

4. We have no ladder so we can't get over the wall.

...............If we had a ladder,we could get over the wall...............................................................................

5. They don't clean the windows so the room look rather dark.

.............If they cleaned the windows ,the room wouldn't look rather dark................................................................................

Exercise 8: Rewrite the following sentences, using conditional sentences type 2 or 3:
     Eg1: She is very shy, that’s why she doesn’t enjoy parties.
⇨       If she weren’t shy, she might enjoy parties.
     Eg2: You didn’t tell me we had run out of bread, so I didn’t buy any.
⇨       If you had told me we had run out of bread I’d have bouhgt some
1.   He doesn’t take any exerrcises, that’s why he is so unhealthy.
……………if he took some exercises, he would be healthy……………………………..
2.   I didn’t see the signal, so I didn’t stop.
…………if i had seen the signal, i would have stopped…………………………………………………………………………
3.   We only came by bus because there were no taxis.
…………if there had been a taxi, we would not have come by bus…………………………………………………………………………
4.   I haven’t  much time so I read very little.
…………if i had much time, i would read much…………………………………
5.   We have no ladder so we can’t get over the wall.
…………………if we had ladder, we could get over the wall………………………………………………………………
6.   We didn’t go by air only because we didn’t enough money.
…………if we had had enough money, we would have went by air………………………………………………………………………..
7.   We didn’t listen carefully perhaps that’s why we made this mistake.
…………if we had listened carefully. we would not have made this mistake…………………………………………………………………………
8.   I live near my office, so I don’t spend much time traveling to work.
…………if i lived far from my office, i would spend much time traveling to work.…………………………………………………………………………
9.   People drive very fast. That’s why there are so many accidents.
…………………if people didnot drive very fats, there would not be so many accidents…………………………………………………………………
10.                    She didn’t know you were in hospital, so she didn’t visit you.
………if she had known you were in hospital, she would have visited you……………………………………………………………………………

If he were fit, he would not sit around too much

If she weren't too thin, she wouldn’t feel cold so much

If you were not a rich man, you could understand me

If he didn't have any beloved girls, he would not become so arrogant

If she did not feel very tired today, she could cook

If you had breakfast, you would not be hungry 

1. she can't work hard because she is very old.

............................she can't work hard because of being very old.....................................................

2. He likes her because she is very beautiful.

.....................He likes her because of her beauty...................................................

3. He broke the vase because he was careless.

...................He broke the vase because of being careless..........................................................

 4.He left school because his life was hard.

......................He left school because of his hard life .....................................................

5. I went to bed early because I felt tired.

.....................I went to bed early because of feeling tired..................................................