1. You press this button to stop the machine

-if..you press this button , the machine will stop ..

2.Working so much will make you tired

-if..you work so much, you will be tired.

3. It may be nice tomorrow. We will go boating up the river

-if. it is nice tomorrow, we will go boating up the river..

4. Perhaps I'll have time .If so, I'll come and see you

-if...I have time, I'll come and see you..

5. Farmers can protect their land by growing different crops on the same land

-if.. farmers grow different rops on the same land, they can protect their land..

1. You press this button to stop the machine

-if...you press this button , you will stop the machine.

2.Working so much will make you tired

-if..you work so much , you will be tired.

3. It may be nice tomorrow. We will go boating up the river

-if..it were nice tomorrow , we would go boating up the river.

4. Perhaps I'll have time .If so, I'll come and see you

-if..I had time , I would come and see you..

5. Farmers can protect their land by growing different crops on the same land

-if..farmers grow different rops on the same land , they can protect their land..

1, you have to study hard, or you will fail the next exam. If you don't study hard, you will fail the next exam. / If you study hard, you won't fail the next exam.

2, please come before 8 am, otherwise, you can’t meet her. If you don't come before 8 am, you can't meet her. / If you come before 8 am, you can meet her.

3, tell her the truth when you see her tomorrow. If you see her tomorrow, tell her the truth

4, you press this button to stop the machine.-> If you press this button, you will stop the machine

5, i hope it is sunny tomorrow because i can go to the beach then.-> If it is sunny tomorrow, I can go to the beach then

6, make me some coffee and i will give you one of my biscuits.-> If you make me some coffee, I will give you one of my biscuits

7, in the snowy weather, we don’t go to school.-> If the weather is snowy, we won't go to school

8, i only come if they invite me. If they invite me, I will come

9, work hard or you can’t pass the exam. If you don't work hard, you can't pass the exam. / If you work hard, you can pass the exam.

10, practise speaking every day or you can’t improve your English. If you don't practise speaking every day, you can’t improve your English. / If you practise speaking every day, you can improve your English.

Có những câu có 2 cách làm, b chọn cách nào cũng đúng nhé.

1, you have to study hard, or you will fail the next exam.

If...you don't study hard, you will fail the next exam

2, please come before 8 am, otherwise, you can’t meet her.

If...you come before 8 a.m , you can't meet her

3, tell her the truth when you see her tomorrow. If.. you see her tomorrow, tell her the truth

4, you press this button to stop the machine.

-> If you want to stop the machine, you can press this button

5, i hope it is sunny tomorrow because i can go to the beach then.

-> If it is sunny tomorrow, i can go to the beach

6, make me some coffee and i will give you one of my biscuits

.-> If you make me some coffee , i'll give you one of my biscuits

7, in the snowy weather, we don’t go to school.

-> If it is in the snowy weather, we won't go to school

8, i only come if they invite me.

If... they don't invite me, i won't come

9, work hard or you can’t pass the exam.

If... you work hard, you can pass the exam

10, practise speaking every day or you can’t improve your English.

If....you don't practise speaking everyday, you can't improve your English

2- Điền vào chõ trống với dạng đúng của động từ trong ngoặc
1. If I found your book, I would given it to you (find/ give)
2. She will phone us if she has any problems. (phone/ have)
3. If you go to the party , I will come with you (go/come)
4. She wouldn't very happy if she didn't get that new job (not be / not get)
5. If you come with us, you will have a good time (come/ have)
6. We ​will help you if we have the time (help/have)
7. I won't wait for you if you are late (not wait/ be)
8. We will go camping if it doesn't rain (go/ not rain)
9. If there is a good program on Tv tonight, I will watch it (be / watch)
10. We will go swimming if it is a nice day tomorrow (go/be)

1 found / would give

2 will phone / has

3 go / will come

4 wouldn't / didn't get

5 come / will have

6 will help / have 

7 won't wait / are 

8 will go / doesn't rain

9 is / will watch

10 will go / is

1. Hung up or you will be for work

If you do not ......... Hung up,you will be for work.......

2. I might be late. If so, let's start with our me

If I am late ,I won't start with our me

4. I'll call the police. If you don't leave me alone

I'll call the police unless you don't leave me alone

5. In this now weather we don't go to school

If it is not ????

6. You drink too much coffice that's why you can't shop

If you do not drink too much coffice, you can shop

1. If we meet at 9:30, we (have) WILL HAVE plenty of time.
2. If you (find) FIND a skeleton in the cellar, don't mention it to anyone.
4. If you pass your examination, we (have) WILL HAVE a celebratipn.
5. Lisa would find the milk if she (look) LOOKED for it in the fridge.
6. What (happen) WILL HAPPEN if I press this button?
7. The door will be unlocked if you (press) PRESS the green button.
8. I should have voted for her if I (have) HAD HAD a vote then.
9. If you go to Paris, where WILL you (stay) STAY?
10. If you (swim) SWIM in this lake, you'll shiver from cold.
11. If someone offered to buy you one of those rings, which youWOULD CHOOSE (choose)

1. If we meet at 9:30, we (have) will have plenty of time.
2. If you (find) find a skeleton in the cellar, don't mention it to anyone.
4. If you pass your examination, we (have) will have a celebratipn.
5. Lisa would find the milk if she (look) looked for it in the fridge.
6. What (happen) will happen if I press this button?
7. The door will be unlocked if you (press) press the green button.
8. I should have voted for her if I (have) had had a vote then.
9. If you go to Paris, where you (stay) will you stay?
10. If you (swim) swim in this lake, you'll shiver from cold.
11. If someone offered to buy you one of those rings, which you (choose) would you choose.

1. If we meet at 9:30, we (have) will have plenty of time.
2. If you (find) find a skeleton in the cellar, don't mention it to anyone.
4. If you pass your examination, we (have) will have a celebratipn.

5. Lisa would find the milk if she (look) looked for it in the fridge.
6. What (happen) will happen if I press this button?
7. The door will be unlocked if you (press) press the green button.
8. I should have voted for her if I (have) had had a vote then.
9. If you go to Paris, where will you stay (stay)?
10. If you (swim) swim in this lake, you'll shiver from cold.
11. If someone offered to buy you one of those rings, which would you (choose) choose

Conditional sentences

1. If John (study) _studies___ hard, he (pass)_will pass___ his examinations

2. I (go) __will go__ shopping with you if I (have)__have__ time tomorrow

3. I (speak)_will____ with him if he (arrive) __arrives___ on time

4. If the train(be) __is___ late. We (not/be)__won't be__ able to see them

5. If the weather (be)___is__ nice tomorrow, I (go) __will__ shopping with you

6. He(find) __will__ a job somewhere if he (try)_tries___ hard

7. If he( fail)__failes___ the text , he (have)__will have__ to repeat the course

8. We (be)__will___ in the dark if you(turn)__turn___ off the light

9. If he(have)_has___ free time, he will go swimming

10. If you(come) __come__ into his garden, the dog will bite you

11.If I have much money, I (buy) __will__ a new car

12.They will take him to the movies if he(come)_comes___ there

13. If it(not rain)_isn't rain__ tonight, I will go to the theater

14. Where__will__ you(go)_go__ next week if you (have)_have__ a car?

1/ If he (study) _____studies___ harder, he can pass an exam.

2/ She may be late if she (not hurry) ___hurries_____.

3/ Tell him to ring me if you (see) __see______ him.

4/ If you are kind to me, I (be) __will be_____ good to you.

5/ If he (give) _gives______ up smoking, as his doctor orders, he will be soon well again.

7/ You (not pass) ____will not pass____ your driving test unless you drive more carefully.

8/ He’ll be ill if he (not stop) ____does not stop____ worrying so much.

9/ We’ll go to the beach tomorrow if it ( be) ___is_____ nice.

10/ Jane never( get) ____will get____there on time if the train leaves soon

Rewrite:

1. I'll help you if you promise to try harder

-Unless.......you promise to try harder, I will not help you ......

2. When you press this button, this machine will start

- If.........you don't press this button, this machine will not start ......

3. Today is an awful day, so we can't go to the beach

- If.......today weren't an awaful day, we could go to the beach ........

4. It is raining, so we can't go out

- Unless.........it is raining, we can go out ........

5. If you don't rest yourself, you really will be ill

- Unless.........you don't rest yourself, you really will be ill .......

6. Unless he phones immediately, he won't get any information

- If.........he doesn't phone immediately, he won't get any information ......

7. We got lost because we didn't have a map

- If.......we had had a map, we wouldn't have got lost ....

8. You'd better learn English

- If I were.......you, I would learn English .......

9. If you don't start at once, you will be late

- Unless........you start at once, you will be late .......

10. Unless you water the tree every day, it will die

- If.....you don't water the tree everyday, it will die .....

Rewrite:

1. I'll help you if you promise to try harder

-Unless...............you don't promise to try harder,I'll help you.........

2. When you press this button, this machine will start

- If..........you press this button, this machine will start.................

3. Today is an awful day, so we can't go to the beach

- If........ Today weren't an awful day, so we could go to the beach.....

4. It is raining, so we can't go out

- Unless...........it were raining, we could go out.............................

5. If you don't rest yourself, you really will be ill

- Unless...........you rest yourself, you really will be ill..........

6. Unless he phones immediately, he won't get any information

- If......he doesn't phone immediately, he won't get any information...

7. We got lost because we didn't have a map

- If..........we had had a map,We wouldn't have got lost.........................

8. You'd better learn English

- If I were.............you,I would learn English....................

9. If you don't start at once, you will be late

- Unless................you start at once, you will be late.................

10. Unless you water the tree every day, it will die

- If................you don't water the tree every day, it will die.........