1. I had a dog once, but I don’t have any more now.

> I used……….…… to have a dog………………..….........……......................

2. The water is too cold for children to drink.

> The water isn't.………… warm enough for the children to swim in.….........................………………................

3. Your hair style isn't like my hair style.

> Your hair style is different…......…from mine………………………..……..........

4. The last time we saw him was in 2008.

> We have………………not seen him seen 2008…..………..................……….…………….....

5. Tom is not as tall as Peter 

> Peter…………………..…… is taller than Tom………….………....................................

6. It is good exercise to run a mile a day.

> Running …………………….. a mile a day is good exercise……………….………………..…….......

7. Peter spent 3 hours on repairing his computer.

> It…………………..…………  took Peter 3 hours to repair his computer…….……………………………..….........

1. I used to have a dog.

2. The water isn't hot enough for the children to drink.

3. Your hairstyle is different from mine.

4. We have not seen him since 2008.

5. Peter is taller than Tom.

6. Running a miles a day is a good exercise.

7. It took Peter 3 hours on repairing his PC.

mr minh is a careful bus driver ( drives )

-> Mr Minh drives carefully 

those students learn history very well ( at )

-> Those students good at History

my mother teachs english at a primary school ( is )

-> My mother is a primary teacher

what is your plan for this summer ? ( to )

-> What are your plans to prace this summer ( câu này khong chắc )

1)The shirt is too small for me to wear

-The shirt is not......fit , i cann't wear it.....

-The shirt is so....small that i cann't wear it..........

-It is such.....a small shirt that i cann't wear it........

2)The exercises are so difficult that we can't do them

-The exercises was too....difficult for us to do.........

-The exercise are not.....easy enough for us to do....

-They are such...difficult exercises that we cann't do it ...

3)It was such hot water that he couldn't drink it

-The water was too hot that or he to drink

-The water was not cold enough for he to drink

-The water was too hot for he to drink

4)He is not strong enough to carry this table

=> He is too weak to carry this table

1) -The shiet is not big enough for me to wear 
    -The shirt is so small that I can not wear it 
    -It is such a small shirt that i can not wear 
2) -The exercise was too difficult for me to do 
    -The exercises are not easy enough for me to do 
    -They are such difficult questions that I can't do 
3) -The water was too hot for him to drink 
    -The water was not cool enough for him to drink 
    -The water was so hot that he couldn't drink 
4) He is too weak to carry this table 

1 what subject do you like?

2 My class has 35 students

3 Mai's house isn't far from her school

4 Mary is good at playing the piano

5 Are you interested in physics ?

6 There is a computer room and a library in the school

1,what subject do you like?                                                                               2,my class has 35 students                                                                             3,Mai's house isn't far from her school                                                             4,Mary is good at plays the piano                                                                     5,are you interested at physics?                                                                     6,there are a computer room and a library in the school

1 what subject do you like?

2 My class has 35 students

3 Mai's house isn't far from her school

4 Mary is good at playing the piano

5 Are you interested in physics ?

6 There is a computer room and a library in the school

Bài 2: Viết lại câu sao cho nghĩa ko đổi

1. All students had to stay at home because it is very wide

=> The gate is very wide so all students had to stay at home.

2. Tom was very brave boy, so all his friends admired him

=> Tom was such a brave boy that all his friends admired him.

3. The room was so comfortable that we all fell asleep easily

=> The room was very comfortable so we all fell asleep easily.

4. It was too cold for them to keep working in the field

=> It wasn't warm enough for them to keep working in the field.

5. The question was so hard that we couldn't answer it

=> The question wasn't easy enough for us to answer it.

6.  You're too young to drive that car

=> You are not old enough to drive that car.

English is easy to learn
English is not difficult to learn
Math is hard to learn
Math is not easy to learn
Lan learns English very well
Lan is very good at English
How much is this book?
How much does this book cost?
My brother can swim very well
My brother is good at swimming
That school has five hundred students 
There are five hundred students in that school
Which subject do you like best?
What is your favourite subject?
At recess we all like talking best
Talking is the most activity at recess (mik ko chắc)

1. This is a small house

2. These books are big

3. These students are new

4. I have a big school

5. Ba has a nice house

6. It is hot water

#)Giải :

1. English is easy to learn.

English is not hard to lern.

2.Math is hard to learn .

Math is not hard to lern.

3.My brother can swim very well .

My brother is good at swimming.

4. Lan learn English very well .

Lan is very good at English.

5. At recess we all talking best .

Takling is the most popular activity at recess.

1) English is easy to learn .

English is not hard to learn

2) Math is hard to learn 

Math is very good hard subject

3) My brother can swim very well

My brother is good at swimming 

4) Lan learn English very well 

Lan is very good at English 

5) At recess we all talking best

Talking is the most popular activity at recess

1............difficult to learn

2............to learn

3.........

4...