71. If we will reduce the speed of population growth, there will be less pressure on the earth.

                       A                                         b                                        c                  d

72. Unless we leave a bowl of water under the sun, it will evaporate.

          A                          b                     c                       d

73. If we continue to use fuels at the current rate, we would soon have to face a fuel crisis.

      A                        b                                                      c                          d

74. If I am 10 centimeters taller, I would play basketball.

             A               b            c                d

75. If the doctors could find in the remedy, a lot of people would be saved.

                A                        b                            c                         d

76. If she bought that house now, she ran out of money.

                   A                         b             c         d

77. What you would do if you could speak French well?

        A             b                         c                              d

78. If I had known he is not at home, I wouldn’t have gone all the way to his house.

                   A                b                                   c                                     d

79. If I had known that the road were flooded, I would never have taken that way.

                  A                                       b                  c                      d

80. If I were you, I will go to the dentist’s and have the tooth checked.

              a                 b                     c                                            d

81. If you hadn’t left the car unlocked, it wouldn’t have be stolen.

                              a.                   b.                 c.                 d

82. What would happen because I pressed that red button?

                    a.                     b.                         c.          d

83. If the weather is fine today, we would go to the beach.

        a.                   b             c.               d.

84. If you will study harder, you will surely pass the coming exams with good results.

                      a.                                       b.                     c.                                       d

85. If the weather weren’t too bad, we would to go swimming.

       a.                         b.                           c.        d

86. If he weren’t too old, he would apply to the job as a war  reporter.

                  a.                            b                   c.            d

87.If drivers obeyed the speed limit, fewer accidents occur.

           a.                                b.             c.                        d

88. If I would have studied Russian at school, I would have understood him easily.

                         a.                                   b.                                         c.               d

89. If tomorrow the weather will be bad, the match will be postponed.

                a.                                b.                     c.                       d.

90. If you will see Mike today, please ask him to phone me.

      a.            b.                                        c.                 d.

1. Identify the one that has a mistake by circling the corresponding letter a, b, c, d.

71. If we will reduce the speed of population growth, there will be less pressure on the earth.

A b c d

72. Unless we leave a bowl of water under the sun, it will evaporate.

A b c d

73. If we continue to use fuels at the current rate, we would soon have to face a fuel crisis.

A b c d

89. If tomorrow the weather will be bad, the match will be postponed.

a. b. c. d.

90. If you will see Mike today, please ask him to phone me.

a. b. c. d.

Exercise 1: Identify the one that has a mistake by circling the corresponding letter a, b, c, d.

3. If we continue to use fuels at the current rate, we would soon have to face a fuel crisis.

A B C D

4. If tomorrow the weather will be bad, the match will be postponed.

A B C D

5. If you will see Mike today, please ask him to phone me.

A B C D

Help me!!! Tử Đằng, Dương Yến Tử, ....

Exercise 3: Tìm lỗi sai và sửa cho đúng
1. If Lucia had been here now, she would find out the truth about her uncle's accident. 
A  B  C  D
2. Unless we leave a bowl of water under the sun, it will evaporate. 
A  B  C  D
3. If I had knew the time when the match started, I would have told you. 
A  B  C  D
4. If I am 10 centimeters taller, I would play basketball. 
A  B  C  D
5. If the doctors could find in the remedy, a lot of people would be saved. 
A  B  C  D
6. If I had realized that the traffic lights were red, I would stop. 
A  B  C  D 
7. What you would do if you could speak French well? 
A  B  C  D
8. If I had known he is not at home, I wouldn't have gone all the way to his house. 
A  B  C  D
9. If had I known you were in financial difficulty, I would have helped you. 
A  B  C  D
10. If I were you, I will go to the dentist's and have the tooth checked.
A  B  C  D
11. If you hadn't left the car unlocked, it wouldn't have be stolen. 
A  B  C  D
12. What would happen because I pressed that red button? 
A  B  C  D
13. If the weather is fine today, we would go to the beach. 
A  B  C  D
14. If you will study harder, you will surely pass the coming exams with good results. 
A  B  C  D
15. If the weather weren't too bad, we would to go swimming. 
A  B  C  D
16. If he weren't too old, he would apply to the job as a war reporter. 
A  B  C  D
17. If drivers obeyed the speed limit, fewer accidents occur.
A  B  C  D
18. If I would have studied Russian at school, I would have understood him easily.
A  B  C  D
19. If tomorrow the weather will be bad, the match will be postponed. 
A  B  C  D
20. If you saw Mike today, please ask him to phone me. 
A  B  C  D

EX2:

1. If we continue to use fuels at the current rate, we would soon have to face a fuel crisis

2. If I am 10 centimeters taller, I would play basketball

3. If the doctors could find in the remedy, a lot of people would be saved

4. If she bought that house now, she ran out of money

5. What you would do if you could speak French well?

6. If tomorrow the weather will be bad, the match will be postponed

7. If you will see Mike today, please ask him to phone me

8. If I were you, I will go to the dentist's and have the tooth checked

9. If you hadn't left the car unlooked, it would't have be stolen

10. What would happen because I pressed that red button

11. If the weather is fine today, we would go to the beach

12. If you will study harder, you will surely pass the coming exams with good results

13. If the weather weren't too bad, we would to go swimming

14. If we will reduce the speed of population growth, there will be less pressure on the earth

15. Unless we leave a bowl of water under the sun, it will evaporate

tìm từ viết sai được viết in đậm và sửa lại:

1,if we will reduce the speed of population growth , there will be less pressure on the earth

2,unless we leave a bowl of water under the sun , it will evaporate

3,if we continue to use fuels at the current rate,we would soon have to face a fuel crisis

4,if i am 10 centimeters taller , i would play basketball (lưu ý từ ''centimeters'' và ''taller''ko phải một cụm mà là tách riêng)

5,if the doctors could find in the remedy , a lot of people would be saved

6,if she bought that house now , she ran out of money

7,what you would do if you could speak French well?

8,if i had known he is not at home , i wouldn't have gone all the way to his house

9,if i had known that the road were flooded,i would never have taken that way

10,if i were you,i will go to the dentist's and have the tooth checked

Choose the underlined part that needs correction.

1. If we will reduce the use of chemical fertilizers, there will be less pressure on the earth.

=>

2. If plants don’t get enough water, they would die.

=>

3. If the doctors could found out the vaccines, a lot of people would be saved.

=>

4. If she bought that mobile phone now, she ran out of money.

=>

5. What you will do if you could speak Spanish well? =>

6. If I were you, I will go to the dental clinic and have the tooth checked.

=>

7. If you leave the car unlocked, it is stolen.

=>

8. What would happen unless he pressed that red button?

  =>

9. If you not answer all of my questions, I can’t do anything to help you.

=>

10. If you will see Mike today, please ask him to phone me.

Chọn lỗi sai và sửa lại

1. If I (knew )you (were )coming I (would have )meet you (at) the airport

2. I (could make )rabbits (disappear) into (thin) air if I (am) a magician

3. (What) (would you have done )if you( were )in my position

4. My children( won't go )to bed (unless )they don't (have) (some) money

5. If we( will reduce )the speed of( population growth) there will be (less) pressure( on) the earth

6.(had I )knowns (Alice's )address( I would write)( to her)

7.if you( had finished) (the work) you can( go)( home)

8.(unless )it (doesn't) rain. Peter will (pay) us( a visit )tomorrow

9.if( had I known) you (were) (in) financial difficulty I( would have helped )you

10. If Lucia (had been )here now she( would find out )the truth( about) her (uncle's) accident