1.If only we knew->had known all this information about the market many weeks ago.

2.If your son were old enough,he could->would be able to take the competition next week.

Tìm lỗi sai và sửa

1. If someone came -> comes into the store, smile and say, “ May i help you?’’

2. If you try these cosmetics, you look -> will look five years younger

3. If you do -> did not understand what were written in the book you could ask Mr, Pike

4. I will come to meet Mr, Pike and tell him about your problems if you didn't -> don't solve them yourself

5. Sam will not graduate unless he doesn’t pass -> passes all the tests

6. If there isn’t enough food, we couldn’t ->can't continue our journey

7. Unless your pour oil on water, it will -> won't float

8. You will have to take a taxi home if you want to leave now

9. If anyone will phone -> phones , tell them i’ll be back at 11:00

10. We can hire a minibus if there will be -> are enough people

1. If someone came -> comes into the store, smile and say, “ May i help you?’’

2. If you try these cosmetics, you look -> will look five years younger

3. If you do -> did not understand what were written in the book you could ask Mr, Pike

4. I will come to meet Mr, Pike and tell him about your problems if you didn't -> don't solve them yourself

5. Sam will not graduate unless he doesn’t pass -> passes all the tests

6. If there isn’t enough food, we couldn’t ->can't continue our journey

7. Unless your pour oil on water, it will -> won't float

8. You will have to take a taxi home if you want to leave now

9. If anyone will phone -> phones , tell them i’ll be back at 11:00

10. We can hire a minibus if there will be -> are enough people

1. Listen! We (can/ could/ will be able/ were able to) hear a train in the distance.

2. I don’t think he (could/ can’t/ won’t be able to/ will be able to) win the next competition.

3. Michael is very proud to (be able to/ can be able/ will be able to/ could be able) play in a jazz-band.

4. When I was five, I (can’t/ couldn’t/ am not able to/ will not be able to) swim.

5. I have to go to a meeting tomorrow night so I (can’t/ wasn’t able to/ couldn’t/ can’t be able to) come to the party. I’m very sorry.

6. We (couldn’t/ won’t be able to/ will can’t/ want be able to) go to the party. We’re going to a wedding.

7. A: Can you lend me some money?

    B: Sorry, I (couldn’t/ am not able to/ can’t/ won’t be able to). I haven’t got any either.

8. They (wasn’t able to/ can’t/ won’t be able to/ couldn’t) go. The weather was too bad.

9. She (can’t/ will be able to/ could/ couldn’t) go on holiday next month if her parents give her permission.

10. The fishing boat sank but luckily all the crew (couldn’t/ will be able to/ were able to/ can) save themselves.

11. Robot can (see/ guard/ look at/ look) our houses when we are away.

12. Do you think robots can work longer than people (but/ with/ without/ of) getting tired?

13. My father always (do/ does/ make/ makes) coffee at home instead of going to the coffee shop.

14. Nowadays robots can’t talk to people or play sports, but in the future I think they (can/ could/ will/ do).

15. Will robots able (to recognise/ recognising/ to recognising/ for recognising) our voices?

16. (Can/ Could/ Will/ Do) you walk when you was two?

17. Home robots can do things (such/ like/ with/ of) repairing things around the house or looking after the garden.

18. Our future robot will be able to help us (do/ make/ try/ plant) the gardening.

19. Robot will be very useful for our lives but they use (some/ a little/ very/ too much) energy.

20. Can you (told/ tell/ tells/ telling) me the way how to recycle paper?

21. Parents should control what their kid watch (from/ in/ on/ at) television.

22. Walking to school will help (refill/ reuse/ recycle/ reduce) air pollution.

Dien : can;can't;could;couldn't;will be able to;won't be able to

1. Tom is ill so he ___can't__ play football with us now.

2. I ____couldn't___ read and write untill was seven

3. Tony ___could___ play the piano very well at the age of 6. He won a second prize music competition

4. She's old but she doesn't have to wear glasses. She ___can__ see very well

5. In 2020,robots will be able to recognise our voice and face but they __won't be able to__ think like humans

1. Tom is ill so he _can't____ play football with us now.

2. I ___couldn't____ read and write untill was seven

3. Tony ___could___ play the piano very well at the age of 6. He won a second prize music competition

4. She's old but she doesn't have to wear glasses. She _can____ see very well

5. In 2020,robots will be able to recognise our voice and face but they __won't be able to__ think like humans

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 he learns harder, he will pass the exam

=>should he learns harder he will pass the exam
2. If he brought the raincoat, he wouldn't have been wet

=> were he to buy the raincoat he wouldn't have been wet
4. If I were you, i would choose that job

=>were i you i would choose that job
5. If we hear any further news, we will be in touch immediately

should we hear any further news we will be ịn touch immediately
7. If Nam learns harder, he will pass the exam

=> should nam learn harder he will pass the exam

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

2.If you (be)had been in. I would have given it to you

3.If he (eat)eats 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)had known you were here

7.He never does homework. If he (do)did his homework, he (not worry)wouldn't worry about this exam

8.It's too bad we lost the game. If you (play)had play for us, we (win) would have won

9.What will you (do)do if she refuses your invitation

10.If today (be)were Sunday, we(go)would go to the beach

11.I wish I (see)had seen her off at the airport yesterday

12.Tom wishes he (have)had enough money to buy a new car now

13. Mary wishes she (become)would become an astronaut someday

14.He wishes he ( not buy)didn't buy that old car

15.If we (pollute)pollute the water, we will have no water to use

16.If we cut down trees in the forest, there (be)will be big flood every year

17.If he (not pass)doesn't pass the driving test, we (be)will be disappointed

18.I (not write)won't write to you if you (not send)don't send me your address

19.The sea (get)gets warmer if the earth (get)gets warmer

20.If we (not protect)don't protect the animals, they (kill)will be killed

21.Our lives(destroy)would destroy if the earth didn't go round

22.We will go for a picnic if the weather(be)is fine tomorrow

23.If I were you I (travel)would travel around the world

24.If there were flying saucers, there (be)would be traces of their landing

25.I would take photos of UFOs if I (see) saw them

26.What (you say)would you say if I offered you a job

27.The children always (get)get frightened if they watch horror films

28.If it (not be) wasn't for you, I would be late

29.I can't help feeling sorry for the hungry children. If only there (be)was peace in the world

30. Were I to become president, my first act (be)would be to help the poor

31.If he (listen)listened to his father's advice, he would still be working here

32.If she hadn't stayed up late lastnight, she (not be)wouldn't have been tired now

Put the verb in brackets in the correct form

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

2.If you (be) was in. I would have given it to you

3.If he (eat) eats 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) knew you were here

7.He never does homework. If he (do) does his homework, he (not worry) won't worry about this exam.

8.It's too bad we lost the game. If you (play) play for us, we (win) will 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.I wish I (see) had seen her off at the airport yesterday

12.Tom wishes he (have) had enough money to buy a new car now

13. Mary wishes she (become) would become an astronaut someday

14.He wishes he ( not buy) won't buy that old car

15.If we (pollute) pollute the water, we will have no water to use

16.If we cut down trees in the forest, there (be) will be big flood every year

17.If he (not pass) doesn't pass the driving test, we (be) will be disappointed

18.I (not write) won't write to you if you (not send) don't send me your address

19.The sea (get) will get warmer if the earth (get) gets warmer

20.If we (not protect) don't protect the animals, they (kill) will kill.

21.Our lives(destroy) would destroy if the earth didn't go round

22.We will go for a picnic if the weather(be) is fine tomorrow

23.If I were you I (travel) would travel around the world

24.If there were flying saucers, there (be) would be traces of their landing

25.I would take photos of UFOs if I (see) saw them

26.What (you say) would you say if I offered you a job

27.The children always (get) get frightened if they watch horror films

28.If it (not be) wasn't for you, I would be late

29.I can't help feeling sorry for the hungry children. If only there (be) is peace in the world

30. Were I to become president, my first act (be) would to help the poor

31.If he (listen) listened to his father's advice, he would still be working here

32.If she hadn't stayed up late lastnight, she (not be) wouldn't have been tired now