1. It is very useful to know English

2. Hung is not as tall as Nam

3. It's good to do morning exercises

4. This book is as boring as that book.

5. Mexico is warmer than Canada

6. The moon isn't as hot as the sun

7. You are not old enough to understand these things.

8. This shirt is not clean enough for me to wear

1.Knowing English is very useful - It.is very useful to know English.........

2.Nam is taller than Hung

- Hung..is shorter than Nam..............

3.To do morning exercises is good

- It....is good to do morning exercises........................................

4.This book is very boring and so is that one

- This book is as....boring as that book........................

5. It is not as warm in Canada as it is in Mexico

- Mexico....and Canada aren't warm............

6. The sun is much hotter than the moon

- The moon isn't.....as hot as the sun...............

7. You can't understand these things because you are very young

- You are not...old enough to understand these things......

8. This shirt is too dirty for me to wear

- This shirt....isn't clean enough for me to wear................

Rewrite the following sentences:

1.Knowing English is very useful - It very useful to know English

2.Nam is taller than Hung - Hung is shorter than Nam. (khác: Hung is not as tall as Nam.)

3.To do morning exercises is good - It is good to do morning exercises.

4.This book is very boring and so is that one - This book is as boring as that one.

5. It is not as warm in Canada as it is in Mexico - Mexico is warmer than Canada.

6. The sun is much hotter than the moon - The moon isn't as hot as the sun.

7. You can't understand these things because you are very young - You are not old enough to understand these things.

8. This shirt is too dirty for me to wear - This shirt is not clean for me to wear it.

1/ He is too old to wear this coloured shirt.

He is not enough young to wear this coloured shirt.

2/ She is too weak to carry this box.

She is not enough strong to carry this box.

3/ This pen is too expensive for me to buy.

This pen is not enough cheap for me to buy

4/ Bill was too stupid to understand what I had said.

Bill is not enough intelligent to understand what I had said.

5/ This bag is too heavy for her to carry.

This bag is not enough light for her to carry.

6/ The test was too difficult for them to do.

The test was not enough easy for them to do.

7/ I'm too poor to help you with the money.

I'm not enough rich to help you with the money.

8/ This book is too dull to read.

This book is not enough smart to read.

9/ The room is too dark for us to study 

The room is not enough light for us to study.

10/ The shelf is too high for her to reach.

The shelf is not enough short for her to reach.

1) The room is so tidy that it took us one hour to clean it.

=> It is such a tidy room that it took us one hours to clean it.

2) The man is so fool that no one took any notice of him.

=> He is such a fool man that no one took any notice of him.

3) The film is so long that they can’t broadcast it on one night.

=> It is such a long film that they can't broadcast it on one night.

4) The books are so interesting that we have read them many times.

=> They are  such interesting books that we have read them many times

5) The news was so bad that she burst into tears on hearing it.

=> It was such bad news that she burst into tears on hearing it.

6) The food was so hot that it turned my tongue.

=> It was such hot food that it turned my tongue.

7) There is so much rain that we can’t go out.

=> There is such much tain that we can't go out.

8) The boy is so fat that every calls him Stuffy.

=> He is such a fat boy that every calls him Stuffy.

9) The milk is so excellent that all the children want some more.

=> It is  such excellent milk that all children want some more.

10) The weather was so warm that they had a walk in the garden.

=> It was such warm weather that they had a walk in the garden.

refer

1. He is too old to wear this colored shirt.

⇒ He is not young enough to wear this colored shirt.

2. She is too weak to carry this box.

⇒ She is not strong enough to carry this box.

3. This pen is too expensive for me to buy.

⇒ This pen is not cheap enough for me to buy.

4. Bill was too stupid to understand what I had said.

⇒ Bill is not smart enough to understand what I had said.

5. This bag is too heavy for her to carry.

⇒ This bag is not light enough for her to carry.

6. The test was too difficult for them to do.

⇒ This test was not easy enough for them to do.

7. I'm too poor to help you with the money.

⇒ I'm not rich enough to help you with the money.

8. This book is too dull to read.

⇒ This book is not interesting enough to read.

9. The room is too dark for us to study.

⇒ The room is not bright enough for us to study.

10. The shelf is too high for her to reach.

⇒ The shelf is not short enough for her to reach.

Đổi thành phủ định isn't,.. + old/weak/... enough là được nhé

 He isn't young enough to wear this coloured shirt

 She isn't healthy enough to carry this bag

This pen isn't cheap enough for me to buy

 Bill isn't intelligent enough to understand what i say

 This bag isn't light enough for her to carry

the test isn't easy enough for them to do

 That sentences wasn't short enough for me to memorize

 The land isn't rich enough to grow crops

 The room isn't quiet enough for us to study

 This book isn't interesting enough to read

 We weren't early enough to get good grades

We weren't early enough to get good seats.

Jack isn't hard enough to make progress in his study.

I am not rich enough to help you with the money.

These oranges are not sweet enough for us to eat

The shelf isn't low enough for the boy to reach.

This road isn't safe enough for her to go at night.

The water in this pool is not clean enough to drink

Martha is not light enough for us to study.

This room is not light enough for us to study.

He didn't study well enough to pass his exam.

Rewrite the sentences using "enough" or "too...to"
1. He is too old to wear this coloured shirt.

HE ISN'T OLD ENOUGH TO WEAR THIS COLORED SHIRT.

2. She is too weak to carry this box.

SHE ISN'T STRONG ENOUGH TO CARRY THIS BAG.

3. This pen is too expensive for me to buy.

THIS PEN ISN'T CHEAP ENOUGH FOR ME TO BUY.

4. Bill was too stupid to understand what I had said.

BILL WAS FOOLISH ENOUGH TO SAY THAT.

5. This bag is too heavy for her to carry.

THIS BAD ISN'T LIGHT ENOUGH FOR HER TO CARRY.

6. The test was too difficult for them to do.

THE TEST WASN'T EASY ENOUGH FOR THEM TO DO

Rewrite the sentences using "enough" or "too...to"
1. He is too old to wear this coloured shirt.

-> He isn't young enough to wear this coloured shirt.
2. She is too weak to carry this box.

-> She isn't strong enough to carry this box.
3. This pen is too expensive for me to buy.

-> This pen isn't cheap enough for me to buy.
4. Bill was too stupid to understand what I had said.

-> Bill wasn't intelligent enough to understand what I had said.
5. This bag is too heavy for her to carry.

->This bag isn't light enough for her to carry.
6. The test was too difficult for them to do.

-> The test wan't easy enough for them to do.

1. He is too old to wear this coloured shirt.

=> He isn't young enough to wear this coloured shirt.
2. She is too weak to carry this box.

=> She isn't strong enough to carry this box.
3. This pen is too expensive for me to buy.

=> This pen isn't cheap enough for me to buy.
4. Bill was too stupid to understand what I had said.

=> Bill wasn't intelligent enough to understand what I had said.
5. This bag is too heavy for her to carry.

=>This bag isn't light enough for her to carry.
6. The test was too difficult for them to do.

=> The test wan't easy enough for them to do.

Bài 2: Rewrite sentences keep meaning as the root one

1. Where did they go on holiday?

=> Do you know where they went on holiday?

2. Where is the dentist's office?

=> Could you tell me how to get to the dentist's office?

3. How many people are there in our school?

=> We want to know How many people there are in our school?

4. This shirt is too dirty for me wear

=> This shirt is not clean enough for me to wear

5. I don't find it difficult to get up early in the morning

=> I am used to getting up early in the morning

Bài 2: Rewrite sentences keep meaning as the root one

1. Where did they go on holiday?

=> Do you know....where they went on holiday? .....

2. Where is the dentist's office?

=> Could you tell me....how to go to the dentist's office?...............

3. How many people are there in our school?

=> We want to know....how many people were in our school......

4. This shirt is too dirty for me wear

=> This shirt....is so dirty that we couldn't wear it........

5. I don't find it difficult to get up early in the morning

=> I am used to....get up early in the morning........

Rewrite the sentences below, using ENOUGH instead of TOO

1. He is too old to wear this coloured shirt.

=> He isn't young enough to wear this coloured shirt

2. She is too weak to carry this bag.

=> She isn't healthy enough to carry this bag

3. This pen is too expensive for me to buy.

=> This pen isn't cheap enough for me to buy

4. Bill is too foolish to understand what I say.

=> Bill isn't intelligent enough to understand what i say

5. This bag is too heavy for her to carry.

=> This bag isn't light enough for her to carry

6. The test was too difficult for them to do.

=> the test isn't easy enough for them to do

7. That sentences was too long for me to memorize.

=> That sentences wasn't short enough for me to memorize

8. The land is too poor to grow crops.

=> The land isn't rich enough to grow crops

9. The room is too noisy for us to study.

=> The room isn't quiet enough for us to study

10. This book is too dull to read.

=> This book isn't interesting enough to read

11. We were too late to get good grades.

=> We weren't early enough to get good grades

Bài 1: Rewrite sentences below, using enough instead of too

1. He is too old to wear this coloured shirt

=>He is not young enough to wear this coloured shirt

2. She is too week to carry this bag

=>she is not strong enough to carry this bag

3. This pen is too expensive for me to buy

=>This pen is not cheap enough for me to buy

4. Bill is too foolish to understand what I say

=>.Bill is not intelligent enough to understand what I say

5. This bang is too heavy for her to carry

=>this bag is not light enough for her to carry