1. He can do a part to save the environment by buying recycled products

=>if he buys recycled products,He can do a part to save the environment

2. Putting garbage into the bins is one answer to minimize pollution

=>if you put garbage into the bins,it will minimize pollution

3. Working too much will make you tired

=>if you work too much,you will feel tired

4. The authorities are thinking of raising petrol prices. I will have to cycle to work

=>if i cycle to work,i will raise petrol prices

4. Chris will pass his exams, but he has to work too hard

=>If Chris works too hard,he will pass his exam

5. Allen can borrow it, but she must give it back next week

=>If Allen gives it back next week,she can borrow it

6. We should take the map with us if we don't want to lose our way in the forest(câu này vt vs "If" r mà)

I.rearrange the following words to make meaningful sentences
1.the test./when/signed sadly/that/he heard/failed/he/Tuan
->....Tuan signed sadly when he heard he failed the tese..........................
2./use selectricity/I'm/to catch fish./they/beacause/very worried
->....I'm very worries because they use electricity to catch fish.............................
3. to use./If/water/,/have/the water/we/pollute/will/no fresh/we/
->..If .we pollute the water ,we will have no fresh water to use..................................
4. early february./is/ in late january/Tet/which occurs/a festival/or/
->..tet is a festival which occurs in late January or early february..........................
5. forgot/Mrs.Yen/turn off/to/the/when/faucet/left for/she/word.
->....Mrs Yen forgot to turn off the faucet when she left for word..........................
6.temperatures/experience/Hue/25 độ C and 30 độ C./will/between ->...Hue will experience temperatures between 25 do C and 30 do...........................

II.1.Mrs.Mi was tired,but she helped Tuan with his homework
-> Although....Mrs.Mi was tired,she helped Tuan with his homework.....................
2.Because he doesn't study hard,he can't pass the final exam.
->If....he studdied hard,he could pass the final exam.....................
3.she has a bad cold,so she can't go to school today
->If...she didn't have a bad cold,she could go to school today..................
4.He didn't finish his homework,but he went to bed early
->Although...he didn't finish his homework,he went to bed early.............
5.She has a math test tomorrow,but she is till playing computer games now
->Although....she has a math test tomorrow ,she is still playing computer games now.................

II . Change the relative clauses to phrases, using to-infinitive or infinitive phrases ( for+ O + to-infinitive)

1. We used to have a room in which we could play music.

=>We used to have a room in to play music.

2. The child will be happier if he has someone that he can play with.

=>The child will be happier if he has someone to play with.

3. David was the only person who offered his help.

=>David was the only person to offered his help.

4. we had to sit on the ground because we hadn’t anything that we could sit on.

=>We had to sit on the ground because we hadn't anything to sit on.

5. She didn’t have anyone to whom she could send cards.

=>She didn't have anyone to send cards.

6. There is a big yard that your children can play in.

=>There is a big yard for your children to play in.

7. Emma Thompson is the most famous actress who will appear on stage here.

=>Emma Thompson is the most famous actress to appear on stage here.

8. We have some picture books that children can read.

=>We have some picture books for children to read.

9. He was the second man who was killed in this way.

=>He was the second man to be killed in this way.

10.Here are some novels that she should read.

=>Here are some novels for her to read .

EX. Chia đt trong ngoặc
1. If you (go) go away, please write to me.
2. If you (be) had been in, I should have given it to you.
3. If you (eat) eat another cake, he will be sick.(có sai chủ ngữ ko vậy?)
4. I (not do) wouldn't do that if I (be) were you.
5. If he (take) takes advice, everything can go well.
6. I'd have come sooner If I knew you were here.
7. he never docs homework. If he (do) his homework. ???
8. If you played for us, we (win) would win.
9.What will you (do) do If she refuses your invitation?
10. If today (be) is Sunday, we(go) will go to the beach.
11. Unless they (pass) passed their examinations, they would join the army.
12. You (be)will be ill If you drink that water.
13.If Tom (go) went to bed earlier, he would not be so tired.
14. Had we known your address, we (Write) would have written you a letter
15.If it's raining heavily, we (not go) won't go for a donkcy ride.
16. If he (try) tries hard, he'll pass the examination.
17. I could understand the teacher if she (speak) spoke more sÌowly.
18.If she (not be) hadn't been busy, she would have come to the party.
19. If I (finish) finish the work now, l(go) will go to the football game.
20. If you( see) see Mary today, please (ask) ask her to call me

EX. Chia đt trong ngoặc.
1. If you (go) go away please write to me. (ĐK loại 1)
2. If you (be) had been in, I should have given it to you. (ĐK loại 3)
3. If you (eat) eats another cake, he will be sick. (ĐK loại 1)
4. I (not do) wouldn't do that if I (be) were you. (ĐK loại 2)
5. If he (take) takes advice, everything can go well. (ĐK loại 1)
6. I'd have come sooner If I know you were here.

Câu này sai thì pải!

Sửa: I know \(\rightarrow\) I had known (ĐK loại 3)
7. He never does homework. If he (do) did his homework. (ĐK loại 2)
8. If you played for us, we (win) would win. (ĐK loại 2)
9. What will you (do) do If she refuses your invitation? (ĐK loại 1)
10. If today (be) were Sunday, we (go) would go to the beach. (ĐK loại 2)
11. Unless they (pass) passed their examinations, they would join the army. (ĐK loại 2)
12. You (be) will be ill If you drink that Water. (ĐK loại 1)
13. If Tom (go) went to bed earlier, he would not be so tired. (ĐK loại 2)
14. Had we known your address, We (write) would have written you a letter. (ĐK loại 3)
15. If it's raining heavily, we (not go) won't go for a donkcy ride. (ĐK loại 1)
16. If he (try) tries hard, he'll pass the examination. (ĐK loại 1)
17. I could understand the teacher if she (speak) spoke more slowly. (ĐK loại 2)
18. If she (not be) hadn't been busy, she would have come to the party. (ĐK loại 3)
19. If I (finish) finish the work now, I (go) will go to the football game. (ĐK loại 1)
20. If you( see) see Mary today, please ( ask) ask her to call me. (ĐK loại 1)

Good luck!

1. go
2. Ihad been
3. eats
4. wouldn't do / were
5. takes
6. I had known

7. did
8. would win
9. will / do
10. were / would go
11. passed
12. will be
13. went
14.would have written
15. won't go
16. tries
17. spoke
18. hadn't been
19. finish / will go
20. ask

1 If she had enough time, she could do all the work.

2 If he had not a date with friend, he could attend my party this weekend.

3. If I did not live far from home, I would come home very often.

4. If we had our own car, we could give you a lift home.

5. If Mrs Lan did not work with some Australians, she would not use English everyday.

Cau dau tien minh chi nhap duoc 2 cau nen mong ban thong cam

2,had bought

3,would be

4,could

5,went

6,hadn't eaten

7,hadn't made

8,weren't

9,hadn't left

10,had

11,had written

chia V

1,if she (study) studies harder,he will pass the exam

2,if the sun (stop) stopped shining,what would happen to uor planet ?

3,he would have a lot of friends if he (not be ) weren't selfish

4,if lan (know) knew the answer,she would help us finish our test now

5,if we reuse botteles and cans ,we (reduce) will reduce a large number of garbage

6,if there (not be ) isn't electicity, people can't not use household appliances

7,if he (finish ) finishes the work in time ,he will go to the ball game

8,if you (turn) turn out the light,we will be in the dark

9,if you don't hurry ,we (be) will be late for work

correct the verb form

1,if you(go)..........go............away,please write to me

2,if you (be)............are...........in,i should have given it to you

3,if he(he).............has..........another cake,he will be sick

4,i (not do).........wouldn't do............that if i (be)......were............you

5,if he(take).............takes..........my advice everything can go well

6,i would have come sooner if i (know)......have known...........you were here

7,he never does homework .if he (do).....didn't do............his homework he(not worry).....wouldn't worry............about his examination

9,what you (do)........will you do.............if she refuses your invitation?

10,if today (be).........is..........sunday,we(go)...........will go......to the beach

11,unless they (pass)......pass......their examinations thay would join the army

12,you(be).........will be.............ill if you drink that water

13,if tom (go).......went..........to bed earlier he would not be so tired

14,had we known your address,we(write)......wrote..............you a letter

15if it is raining heavily,we (not go)........won't go.............for a donkey ride

16,if he (try).........tries...........hard,he 'll pass the examination

18,if she(not be)............haven't been.......busy,she would have come to the party

19,if i(finish).....finish.........the work in time i (go)........will go...................to the football game

20,if you(see).........see........mary today,please (ask)........ask...........her to call me