1. will stay

2. has

3. doesn't rain

4. recycle - won't produce 

5. don't water - will die

6. is - won't go

7. will save - don't waste 

8. will happen - keep

9. don't stop - will endanger

10. dump - won't be

III. Put the verbs in brackets into the correct form.

1. will stay

2. has

3. doesn't rain

4. recycle - won't produce 

5. don't water - will die

6. is - won't go

7. will save - don't waste 

8. will happen - keep

9. don't stop - will endanger

10. dump - won't be

1.  We will stay at home if it rains.

2.  She will call you if she has time.

3.  If it doesn't rain tomorrow, we will go for a picnic.

4.  If everyone recycle paper, metal and glass, we won't produce so much rubbish.

5.  If you don't water plants, they will die.

6.  If the weather is bad, we won't go to the park.

7.  We will save thousands of trees if we don't waste  so much paper.

8.  What will happen if we keep polluting the environment.

9.  If we don't stop cutting down so many trees, we will endanger our oxygen supply.

10.      If people dump chemicals into rivers, they won't be able to swim in them in the future.

1. will stay

2. has

3. doesn't rain

4. recycle - won't produce 

5. don't water - will die

6. is - won't go

7. will save - don't waste 

8. will happen - keep

9. don't stop - will endanger

10. dump - won't be

1.If I could travel back to the 19th century, I would meet my grandparents.

2. If I get a good mark in my test, my parent will give me a small gift.

3. If I have some free time this weekend, I will go to the park for a walk.

4. If I saw a ghost at night, I would scream loudly and run as fast as possible.

5. If we cycle more, we will make air pollution less serious.

6. If I were a superhero, I would put all cruel people into prison.

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

will stay

has

doesn't rain

will say / has / doesnt rain

1.We will stay (stay)at home if it rains

2.She will call you if she has (have) time

3.If it doesn't rain (not rain)tomorrow,we will go for a picnic

Will you go swimming on Sunday if it is sunny? 

Will you stay at home tonight if it rains?

Will you finish your homework if you do early?

Will your parents be angry if you get a bad school report? 

What will you buy for your birthday if you get money?

2)We will stay at home if it (rain) rains

3)If I had enough money now, I (buy) would buy a computer.

4)If he (be) were a prime minister, he would spend more money on education.

5)If we win the lottery, we (give) will give them half of the money.

6)She will need new clothes if she (get) gets any fatter.

7)If he (play) played football all day, he would get very tired.

8)If the young man wanted to see me, he (come) would come to my office.

9)If Henry is late, the train (not, wait) won't wait

10)I will go with him if he (go) goes

11)You will be ill if you (eat) eat too much.

12)If she were older, she (have) would have more sense.

13)If you (read) read that book carefully, you would understand it.

14)My uncle (be) would be able to help us if he (be) were here now.

15)If it (be) is fine tomorrow, I (play) will play tennis.

16)Were I you, I (not do) wouldn't do that.

17)If you (go) go away, please write to me.

2)We will stay at home if it (rain) rains

3)If I had enough money now, I (buy) would buy a computer.

4)If he (be) were a prime minister, he would spend more money on education.

5)If we win the lottery, we (give) will give them half of the money.

6)She will need new clothes if she (get) gets any fatter.

7)If he (play) played football all day, he would get very tired.

8)If the young man wanted to see me, he (come) would come to my office.

9)If Henry is late, the train (not, wait) won't wait

10)I will go with him if he (go) goes

11)You will be ill if you (eat) eat too much.

12)If she were older, she (have) would have more sense.

13)If you (read) read that book carefully, you would understand it.

14)My uncle (be) would be able to help us if he (be) were here now.

15)If it (be) is fine tomorrow, I (play) will play tennis.

16)Were I you, I (not do) wouldn't do that.

17)If you (go) go away, please write to me.

1)If I see Duc, I ...will give .....(give) him your message

2) He .....will send .......(send) you some information if you tell him your address

3)If kate....is .....(be) late again, she will lose her job

4)She will be sick if the.....eat ....(eat) all that ice-cream

5)If we....go .....(go) out tomorrow evening, we.....will miss ......(miss) thay new programme on TV

6)I (be).....will be ....angry if it turns out that you are wrong

7) If he (finish)..finishes .....with the computer, I will put it away

8)If I had a typewriter I....would type ....(type) it myself

CONDITIONAL SENTENCES

1. WE ( do) will do this for you if you want.

2. If we ( need) need some help, we will ask.

3. If Peter stays with his grandparents, Susan ( not be) won't be happy.

4. If we win the money , we (buy) will buy a new house.

5. She ( not write) won't write to you if she leaves.

6. We ( go) will go on holiday if there is time.