1. The weather is too cold for us to go swimming.

-> The weather isn't .................warm enough for us to go swimming.....................

2. He played babmin ton when he was eight.

-> He used ....................to play badminton when he was eight......................

3. Putting a knife into an electrical socket is dangerous.

-> It is ..............................dangerous to put a knife into an electrical socket..........................

4. It isn't necessary for you to water the tree everyday (have)

-> You.....................don't have to water the tree everyday......................

IV. Rewrite sentences

1. No one helped him repair the bicycle ( himself )

He repaired the bicycle by himself

2. He stays up late and he is always tired next moring ( should )

He should not stay up late in ordeer not to be tired next moring

3. It's necessary to water that tree every day ( have )

You have to to water that tree every day

4. Putting is dangerous ( put )

It's dangerous to put a knife in to an electrical socket

5. The table is on the right of the bed ( left )

The bed í on the left of The table

6. You must stay in bed because of your illness ( because )

You must stay in bed because you are ill

IV. Rewrite sentences

1. No one helped him repair the bicycle ( himself )

..........he repaired the bicycle by himself.................

2. He stays up late and he is always tired next moring ( should )

........he should go to bed early........................

3. It's necessary to water that tree every day ( have )

You.....have to water that tree every day .................

4. Putting a knife into an electrical socket is dangerous ( put )

It's dangerous......to put a knife into an electrical socket.....

5. The table is on the right of the bed ( left )

The bed.......is on the left of the table..................

6. You must stay in bed because of your illness ( because )

You...........must stay in bed because you are ill...............

Ex5: Rewrite

1. We were late for school because of the heavy rain

--> Because of the heavy rain, we were late for school.

2. The ladder is too short to reach the window

--> The ladder isn't tall enough to reach the window.

3. Is it necessary for me to clean this table ?

--> Do I need to clean this table?

4. Riding a bicycle so fast is dangerous

--> It is dangerous to ride a bicycle so fast.

5. No one helped Thanh repair the bicycle

--> Thanh repaired the bicycle himself.

6. The front yard is too small to play soccer in

--> The front yard isn't big enough to play soccer.

7. It isn't necessary for you to set off early

--> You don't need to set off early.

8. The cake is to hard for me to eat

--> It is too difficult for me to eat the cake.

Ex5: Rewrite

1. We were late for school because of the heavy rain

--> Because ò the heavy rain, we were late for school.

2. The ladder is too short to reach the window

--> The ladder isn't tall enough to reach the window.

3. Is it necessary for me to clean this table ?

--> Do i need to clean this table ?

4. Riding a bicycle so fast is dangerous

--> It is dangerous to ride a bicycle so fast.

5. No one helped Thanh repair the bicycle

--> Thanh repaired the bicycle himself

6. The front yard is too small to play soccer in

--> The front yard isn't big enough to play soccer.

7. It isn't necessary for you to set off early

--> You don't need to set off early.

8. The cake is to hard for me to eat

--> It is too difficult for me to eat the cake

Complete the second sentence so that it has a similar meaning to the first

1. You aren't allowed to make noisy in the library

You mustn't make noise in the library

2. It isn't necessary for you to go to school so early

You don't have to go to school so early.

3. It is a good thing for you keep the house clean and tidy

You ought to keep the house clean and tidy.

4. I had a good time at the party last night

I enjoyed the party last night

5. Must he leave now ?

Does he have to leave now?

6. Playing with matches is very dangerous

It's very dangerous to play with matches

7. You must stay in bed because for you illness

You must stay in bed because you are ill

8. It isn't necessary for you to water that tree every day

You don't have to water that tree every day

9. He stays up too late and he is always tired the next morning

He should go to bed early so he won't be tired the next morning.

10. It is dangerous to put a knife into an electrical socket

Putting a knife into an electrical socket is dangerous

1. You aren't allowed to make noisy in the library

You mustn't ____make noisy in the library__

2. It isn't necessary for you to go to school so early

You don't ___need to go to school so early____

3. It is a good thing for you keep the house clean and tidy

You ought ___to keep the house clean and tidy ______

4. I had a good time at the party last night

I enjoyed ____the party last night__

5. Must he leave now ?

Does he __have to leave now?__

6. Playing with matches is very dangerous

It's very dangerous ___to play with matches____

7. You must stay in bed because for you illness

You must stay in bed because you ___are ill___

8. It isn't necessary for you to water that tree every day

You don't have ____to water that tree everyday ______

9. He stays up too late and he is always tired the next morning

He should go __to bed early so as not to be tired the next morning____

10. It is dangerous to put a knife into an electrical socket

Putting a knife ______into an electrical socket is dangerous_____

I. Complete the second sentence so that it has a similar meaning to the first.

1. You aren't allowed to make noise in the library.

You mustn't make noise in the library.

2. It isn't necessary for you to go to school so early.

You don't have to go to school so early.

3. It is a good thing for you to keep the house clean and tidy.

You ought to keep the house clean and tidy.

4. I had a good time at the party last night.

I enjoyed the party last night.

5. Must he leave now?

Does he have to leave now?

6. Playing with matches is very dangerous.

It's very dangerous to play with matches

7. You must stay in bed because of your illness.

You must stay in bed because you are ill

8. It isn't necessary for you to water that tree every day.

You don't have to water that tree every day.

9. He stays up too late and he is always tired the next morning.

He should go to bed early so he won't be tired the next morning.

10. It is dangerous to put a knife into an electrical socket.

Putting a knife into an electrical socket is dangerous

I. Complete the second sentence so that it has a similar meaning to the first.

1. You aren't allowed to make noise in the library.

You mustn't make noise in the library.

2. It isn't necessary for you to go to school so early.

You don't have to go to school so early.

3. It is a good thing for you to keep the house clean and tidy.

You ought to keep the house clean and tidy.

4. I had a good time at the party last night.

I enjoyed the party last night.

5. Must he leave now?

Does he have to leave now?

6. Playing with matches is very dangerous.

It's very dangerous to play with matches.

7. You must stay in bed because of your illness.

You must stay in bed because you are ill.

8. It isn't necessary for you to water that tree every day.

You don't have to water that tree every day.

9. He stays up too late and he is always tired the next morning.

He should go to bed early in order not to be tired the next morning.

10. It is dangerous to put a knife into an electrical socket.

Putting a knife into an electrical socket is dangerous.

I. Complete the second sentence so that it has a similar meaning to the first.

1. You aren't allowed to make noise in the library.

You mustn't make noise in the library.

2. It isn't necessary for you to go to school so early.

You don't have to go to school so early.

3. It is a good thing for you to keep the house clean and tidy.

You ought to keep the house clean and tidy.

4. I had a good time at the party last night.

I enjoyed the party last night.

5. Must he leave now?

Does he have to leave now?

6. Playing with matches is very dangerous.

It's very dangerous to play with matches.

7. You must stay in bed because of your illness.

You must stay in bed because you are ill.

8. It isn't necessary for you to water that tree every day.

You don't have to water that tree every day.

9. He stays up too late and he is always tired the next morning.

He should go to bed early so that he doesn't feel tired the next morning.

10. It is dangerous to put a knife into an electrical socket.

Putting a knife into an electrical socket is dangerous.

completre the second sentences so that it has a similar meaning to the first

1. you aren't allowed to make noise in the library

you mustn't make noise in the library.

2.It isn't necessary for you to go school so early

you don't have to go to school early.

3. It is a good thing for you to keep the house clean and tidy

you ought to keep the house clean and tidy.

4. I had a good time at the party last night

I enjoyed the party last night.

5. Must he leave now?

Does he have to leave now?

6. Playing with matches is very dangerous

It's very dangerous to play with matches.

7. You must stay in bed because of your illness

you must stay in bed because you are ill.

8.It isn't necessary for you to water that tree every day

you don't have to water that tree every day.

9. he stays up too late and he is always tired the next morning

he should go to bed early in order not to be tired the next morning.

10. It is dangerous to put a knife into an electrical socket

putting a knife into an electrical socket is dangerous.

III. Rewirte the sentences so that it has the same meaning as the sentence printed before

1. Your younger brother is too weak to lift that box

Your younger brother is not..STRONG ENOUGH TO LIFT THAT BOX................

2. Putting a knife into an electrical socket is dangerous

It's dangerous.........TO PUT A KNIFE INTO AN ELECTRICAL SOCKET........

3. You should look after yourself

You should take......CARE OF YOURSELF..............

4. The table is on the right of the bed

The bed.......IS ON THE LEFT OF THE TABLE.............

=>Putting a knife into an electrical socket is dangerous

=>Putting a knife into an electric socket is very dangerous.

Đúng thì tick nha

dịch là j vậy

I.

1.You mustn't make noise in the library

2.You don't to go to school so early

3.You ought to keep the house clean and tidy

4.I enjoyed a good time at the party last night

tương tự nhé mà mk cx ko chắc đúng :v