18. will feel - stop 

19. will understand 

20. comes - will have

21. have

22. doesn't like

23. will have

24. comes - won't have

25. stopped - would 

26. were - would have

27. will get - walk 

28. keep 

1.if I go away , please ....look.. ( look ) after the dog and the cat for me .
2.If you .......had been.... ( be) in London at that time , I should have given it to you 
3.If he eats another cake , he ......will be..... ( be ) sick . 
4.If men ..were......... ( be ) more  reasonable , there would be no more wars . 
5.I .............wouldn't do.... ( not do ) that if I were you . 
6.If he ....had taken............ ( take ) my advice , everything would have gone well  .
7.I would have come sooner if I ........had known......... ( know) you were here . 
8.He never does his homework . If he .....did...... ( do) it , he ...wouldn't worry......( not worry ) about the exam . 
9.It’s too bad we lost the game . If you ...had played.......( play ) more carefully , we ....would have won.....( win ) that game . 
10.What .......will......... you ...do.............. ( do ) if she refuses your invitation ?
11.If today ....were...... (be) Sunday , we .......would go..... ( go) to the beach for swimming . 
12.They ..............would make...... ( make) less mistakes if they were more careful .
13.Unless they .......passed....... ( pass) their exams , they would join the army 

1, will look

2, are

3, will be

4, were

5, wouldn't do 

6, took

7, knew

8, does/ won't worry 

9, played / would win

10, will you do ...?

11, was / would go

12, would make

13, passed

1.if I go away , please .............look....... ( look ) after the dog and the cat for me .
2.If you .........had been........... ( be) in London at that time , I should have given it to you 
3.If he eats another cake , he ............won't be........... ( be ) sick . 
4.If men .......were............ ( be ) more  reasonable , there would be no more wars . 
5.I ............wouldn't do............... ( not do ) that if I were you . 
6.If he ........had taken............ ( take ) my advice , everything would have gone well  .
7.I would have come sooner if I .............had known............ ( know) you were here . 
8.He never does his homework . I he ........does...... ( do) it , he ......won't worry.......( not worry ) about the exam . 
9.It’s too bad we lost the game . If you .....had played......( play ) more carefully , we ...would have won.........( win ) that game . 
10.What .........will......... you ......do........... ( do ) if she refuses your invitation ?
11.If today ....is.......... (be) Sunday , we .......will go............ ( go) to the beach for swimming . 
12.They .............would make............... ( make) less mistakes if they were more careful .
13.Unless they .........passed............ ( pass) their exams , they would join the army 

1. If he spoke more slowly, I could understand him.

2. If I know his address, I could visit him.

3. If you tell the truth, the police will believe you.

4. If I had time, I would go to the circus with you this weekend.

5. If you had a license, you would drive a car.

6. If she is here, she will tell you about it.

7. If you don't do your homework, the teacher will punish you.

8. If I hadn't worked very lazily, I wouldn't have got bad grade for the first semester.

1, He spoke very quickly so I couldn’t understand him .

If ............he hadn't spoken very quickly, I could...

2, I don’t know his address , that’s why I can’t visit him .

If I knew his address, I could...

3. Tell the police the truth . I’m sure they’ll believe you.

If you had told the police the truth, I would ...

4, I don’t have time . I’m not going to the circus with you this weekend .

If I had time, I would...

5. You can’t drive a car without a license .

If it hadn't had a license, I couldn't...

6, She won’t tell you about it because she isn’t here .

If she were here, she could tell...

7. Do your homework or the teacher will punished you .

If you do not do your homework, your teacher will...

8, I got bad grade for the first semester because I worked very lazily .

If I hadn't worked very lazily, I would not ...

If you buy her a bunch of flowers, she'll forgive you.

If you tell me the truth, I can help you.

If you learn the rules by heart, you'll be able to do the exercise.

would write

would write

would write

1 If we pollute the air, we will have breathing problems

2 Your teacher says that I amnot revising for my exam carefully

3 I am interested in wildlife about which I have seen a lot of films

4 Nam is the most intelligent in the class

1.is practicing

2.will be sloved

3.has written

4. play/to play

5. is playing

6. went

7.haven't seen

1.is practicing

2.will be sloved

3.has written

4. play/to play

5. is playing

6. went

7.haven't seen

II. Supply the correct forms of the verbs in bracket to complete the sentences (1pt) 

1.My brother__will be practicing   ( practice) playing the guitar at ten o'clock tomorrow.
2.We hope that by using solar energy, the problem of energy shortage ( solve ) _________ will be solved.                       
3.He ___ has written         ( write ) that book since last year.
4.Tom used to ___ play      ( play ) marbles when he was a child. He didn't use ( play )  ___ to play    volleyball
5.He ___ will be playing       ( play ) soccer at five o'clock tomorrow afternoon
6.Mrs Hoa ___ went              ( go ) to Da Lat last year
7 We ____ haven’t seen       ( not see ) that film yet 

   1.     Don’t go out in the rain because you will get wet.

     __If you go out in the rain, you will get wet._________________________ .

   2.     I won’t enjoy the film if you aren’t with me.

     _I won’t enjoy the film unless you are with me.__________________________ .

   3.     My brother will have enough money. He will buy a bicycle.

     __If my brother has enough money, he will buy a bicycle._________________________ .

   4.     I will buy a new hat. I will give it to you.

     __ If I buy a new hat, I will give it to you._________________________ .

   5.     Let’s ask the teacher. He will explain it to you.

     __If you ask the teacher,he will explain it to you._________________________ .

1.If you go out in the rain,you will get wet.

2.If you aren't with me,I will not enjoy the film.

3.If my brother has enough money,he will buy a bicycle.

4.If I buy a new hat,I will give it to you.

5.If you ask the teacher,he will explain it to you.

- Câu điều kiện loại 1 diễn tả điều kiện có thể xảy ra ở hiện tại hoặc tương lai.

- Cấu trúc: If + S + V (simple present), S + will/ won’t + V (bare infinitive)

Đáp án: swim

=> If you swim in this lake, you'll shiver from cold.

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