III.There is a mistake in each  line. Find and correct it:

1. If you don’t study your mathematics, you can’t be able to do the exercises.

                        A             B                                   C                   D

2. My niece can read by the time she was four years old

                        A            B                      C              D

3. Most ants could lift objects that are ten times heavier than their own bodies

                           A                           B                          C                          D

4. Tom won’t be able working  in the shed because he is ill

                       A                  B                               C             D

5. Bodb was in an accident, but he won’t be able to remember how he had hurt hímelf

                                    A                     B                            C                                       D

III.There is a mistake in each  line. Find and correct it:

1. If you don’t study your mathematics, you can’t be able to do the exercises.

                        A             B                                   C                   D

2. My niece can read by the time she was four years old

                        A            B                      C              D

3. Most ants could lift objects that are ten times heavier than their own bodies

                           A                           B                          C                          D

4. Tom won’t be able working  in the shed because he is ill

                       A                  B                               C             D

5. Bodb was in an accident, but he won’t be able to remember how he had hurt hímelf

                                    A                     B                            C                                       D

VIII. Find a mistake in the four underlined parts of each sentence and correct it.
1. If you don’t study your mathematics, you can’t be able to do the exercises.
2. My niece can read by the time she was four years old.
3. Most ants could lift objects that are ten times heavier than their own bodies.
4. Bob was in an accident, but he won’t be able to remember how he had hurt himself.
5. If robots will do all of our work, we will have nothing to do.
6. We couldn’t bought any bread because the bakery was closed.
7. Mona isn’t busy today and she could help her mother at home.
8. Will you able to carry all the shopping back home on your bike?
9. Could you to ride a bike when you were in the fifth grade?
10. We will be able to play football because it is raining heavily.
IX. Complete each sentences so it means the same as the sentences above.
1. I don’t have a robot in my house.
There isn’t ______________________________________________________
2. I won’t be able to do everything myself unless I have a modern robot.
If I don’t have ___________________________________________________
3. Minh likes teaching robots very much.
Minh is very interested ____________________________________________
4. My sister can swim well.
My sister ______________________________________________________
5. This radio is better than my old one.
=> My old radio _________________________________________________
6. This robot is capable of cooking a variety of different meals. (can)
This robot ______________________________________________
7. My computer didn’t work last night, so I couldn’t email you. (because)
 I _____________________________________________________________
8. You should study hard, or you won’t pass the exam. (will)
If you ________________________________________________________

Find a mistake in the four underlined parts of each sentence and correct it.

1. If you don't study your mathematics, you can't be able to do the exercises.

A B C D

2.My niece can read by the time she was four years old.

A B C D

3. Most ants could lift objects that are ten times heavier than their own bodies.

A B C D

4.Tom won't be able working in the shed because hi is ill.

A B C D

5. Bob was in an accident, but he won't be able to remember how he had hurt

A B C

himshelf.

D

May ban giai dum minh voi!

Exercise 2: Find out the mistakes:
1. If you don’t try your best, you would fail the next exam.
A B C D
2. Unless you do all of the exercises given by the teacher, you won’t be punished.
A B C D
3. She had had more good marks if she had prepared the lesson carefully.
A B C D
4. If your mother bought you a dictionary, you can learn English better.
A B C D
5. If yesterday I stayed at home, I would not be tired today.
A B C D
6. Unless they come early, they would meet him at the meeting.
A B C D
7. Had you review all the lesson carefully, you would have passed the exam.
A B C D
8. Should you wanted to attend the course of English, let me know.
A B C D

Exercise 2: Find out the mistakes:
1. If you don’t try your best, you would fail the next exam.
A B C D
2. Unless you do all of the exercises given by the teacher, you won’t be punished.
A B C D
3. She had had more good marks if she had prepared the lesson carefully.
A B C D
4. If your mother bought you a dictionary, you can learn English better.
A B C D
5. If yesterday I stayed at home, I would not be tired today.
A B C D
6. Unless they come early, they would meet him at the meeting.
A B C D
7. Had you review all the lesson carefully, you would have passed the exam.
A B C D
8. Should you wanted to attend the course of English, let me know.
A B C D

Exercise 2: Find out the mistakes:
1. If you don’t try your best, you would fail the next exam.
A B C D
2. Unless you do all of the exercises given by the teacher, you won’t be punished.
A B C D
3. She had had more good marks if she had prepared the lesson carefully.
A B C D
4. If your mother bought you a dictionary, you can learn English better.
A B C D
5. If yesterday I stayed at home, I would not be tired today.
A B C D
6. Unless they come early, they would meet him at the meeting.
A B C D
7. Had you review all the lesson carefully, you would have passed the exam.
A B C D
8. Should you wanted to attend the course of English, let me know.
A B C D

EXERCISE 1: Rewrite the following sentences using “Unless”

1. I won’t go to school if I don’t feel better.

2. Tony will walk to you is you question him.

3. If you don’t put on your overcoat, you’ll be cold.

4. You will fail the exam if you don’t work hard.

5. You’ll get a cold if you don’t keep your feet dry.

6. If I don’t leave now, I’ll miss my flight.

7. If you aren’t going to the party, I won’t go.

8. I can’t send you a postcard if  you don’t give me your address.

9. If I won a big prize in a lottery, I’d build a school for the poor.

10. I’ll call the police if you don’t leave me alone.

EXERCISE 2: Rewrite the following sentences using conditional sentences type 2.

1. They are poor, so they can’t help us.

2. He doesn’t do this homework. He is always punished.

3. He doesn’t have enough time. He can’t help me.

4. She doesn’t take any exercise, so she is overweight.

5. He doesn’t have a bicycle, so he always goes to class late.

6. I am bad at English, so I can’t do homework.

7. He doesn’t practise speaking French, so he doesn’t speak it fluently.

8. The meeting can be cancelled because it snows heavily.

9. We don’t go because it will rain.

10. John is fat because he eats so many chips.

EXERCISE 3: Rewrite the following sentences using conditional sentences type 3

1. He didn’t hurry, so he missed the train.

2. We didn’t go because it rained.

3. We got lost because we didn’t have a map.

4. He lost his job because he was late everyday.

5. The dress was so expensive. She could not buy it.

6. Sue felt sick because she ate four cream cakes.

7. My brother left the car keys, so I had to pick him up at the station,

8. We didn’t go on holiday because we didn’t have enough money.

9. He didn’t have the ticket to the game last week. He wasn’t be able to get in.

10. Robert got a bad cough because he started smoking cigarettes.