Viết lại các câu sau:

1. If there there is no oxygen, fire cannot burn.

- - > Unless

2. The patient can't recover if he not operated on.

- - > Unless

3. Because it was raining, we stopped the match.

- - > Because of

4. Because Tom was ill, he is absent today.

- - > Because of

5. Because she is kind, everyone loves her.

- - > Because of

6. Because I was too tired, I will have a long trip.

- - > Because of

7. Because he passed the exam, his parents are very proud of him

- - > Because of

8. I can't feel comfortable because the house is dirty.

- - > Because of

9. This problem is difficult, so I can't understand.

- - > Because of

II.Mỗi câu có một lỗi sai. Hãy viết lại cho đúng

1.If we drop litter on a beach, we could see it on another beach

2.Unless we protect the rainforest there aren't enough oxygen.

3.if we protect endangered species, most of them will become extinct.

4.If we destroy the ozone layer, nothing sacves us from the ultra-violet rays.

5. What will happens to the Earth if the global temperatur rises?

6.Daisy will buy a new dress if she doesn't have enough money.

7. If the sea gets warmer, the ice at the South pole would melt.

8.If the weather is not fine, we will go for a picnic

Use UNLESS INSYEAD of IF:

1. if you are not careful, you will cut yourself with that knife.

- Unless.....................................................................................

2.If you do not like this one,I'll bring you another. -Unless................................................................

3. She'll be late if she does not hurry. -Unless...........................................................................

4. If you doesn't sneeze, he won't know that we are there.

-Unless..............................................................................................................

5. Turn down the ga or the rice will burn. -Unless.........................................................................

(Các bạn giải hộ mình với ạ ^^ )

Rewrite these sentences with conditional sentence type 1

1.Unless you write your lessons, you will not understand.

If you ...............................................................................

2. Unless you close the door, you will get a cold.

If you .............................................................................

3. If she isn't thirsty, she will not stop.

Unless .............................................................................

4. Unless there is a car, he can't get there in time.

If there ..........................................................................

5. Unless they buy that house, they will have nowhere to live.

If ....................................................................................

6. If he learns hard, he should be rewarded.

Should .......................................................................

1. I lose the key, so I cannot get into the house.
-> If ___________________________________________
2. They are too young to join the army.
-> They are not _______________________________
3. She won't come unless you invite her
-> If ___________________________________________
4. We can't hang the picture on the wall. It is heavy.
-> The picture ________________________________
5. They were tired. They were hungry.
-> They were not only __________________________
6. They finish their work. They went home.
-> Finishing ____________________________________
7. She goes out in the rain. She gets wet.
-> If ___________________________________________
8. Tom can't lift the table. He isn't strong enough.
-> Tom is __________________________________

a. Put the verb in brackets into the correct tense:

1.If I see him, I (give) ....................................... him a gift.

2.If he (study) .................................... hard, he can pass the exam.

3.Rice plants (grow) ................................ if there is enough rain.

4.If she (not hurry) ................................., she may be late.

5.If I tell you a secret, ............... you (promise) ........................ not to tell it to anyone ?

b.Use UNLESS instead of IF :

1.If you are not careful, you will cut yourself with that knife.

- Unless ...................................................................................................................................

2.If you do not like this one, I’ll bring you another.- Unless .........................................................

3.She ‘ll be late if she does not hurry. - Unless ...........................................................................

4.If you doesn’t sneeze, he won’t know that we are there.

- Unless......................................................................................................................................

5.If she does her hair differently, she will look quite nice.

- Unless ...........................................................................................................................................

c.Make conditional sentences according to the fact provided (type 1)

1.Keep silent or you wake the baby.- ..............................................................................................

2.Go right now or you’ll be late for the train.- ..............................................................................

3.Be calm or you’ll make a wrong decision.- ................................................................................

4.Practice speaking English regularly or you will not pass this entrance exam.

- ......................................................................................................................................................

5.Turn down the gas or the rice will burn. -....................................................................................