1. has worked
2. studied - is
3. learn - taught
4. had begun - arrived
5. do - reads - listens - watches
6. was - didn't go - stayed - did
7. lives - had lived - moved
8. are visiting - go
9. Where were you - was working 
10. Have you ever seen - haven't - will go

1 has worked

2 is studying - will be

3 learn - taught

4 had begun - arrived

5 do - reads - listens - watches

6 was - didn't go - stayed - did

7 is living - had lived - moved

8 are going to visit - going

10 ever seen - haven't - are going

1. to be

2. asking

3. would pass (if 2)

4. were (if 2)

5. are always advised (bị động)
6. to learn (it's be adj to V)
7. have seen (HTHT)

8. Have you seen (HTHT)

9. didn't have (if 2)
10. studying (advise V- ing)

Có vài câu kh chắc.

FURTHER PRACTICE: CONDITIONAL SENTENCES TYPE 1

I. Give the correct form of the verbs in brackets.

1. If he (do)………DOES……… well in the exam, his parents will buy me an MP3 player.

2. If my sister borrows my clothes again, I (scream)……………WILL SCREAM…………..!

3. We’ll leave at 6 o’clock if the weather (be)…………IS………… bad.

4. They (not mind)………………WON'T MIND………………… if we’re a bit late this afternoon.

5. Sarah will be very annoyed if Dave (not call)…………DOESN'T CALL………. her this evening.

6. WILL You still (go)…………GO…………. to the concert if the tickets cost 60 euros?

7. If Rania doesn’t come to the party, WILL Greg (be)…………BE……… upset?

8. I’ll be surprised if Doug and Dana (not get)…………………DON'T GET……………….. a new car soon.

9. If she (leave)……………LEAVES…………… at five o’clock, she’ll be there by half past seven.

10. We (call) ……………………WILL CALL……………………you if we have any problems.

11. He’ll be late for the train if he (not start)……………DOESN'T START………………. at once.

12. If I lend you $100, when WILL you (repay)…………………REPAY………………… me?

13. Unless I have a quiet room, I (not be able)……………WON'T BE ABLE………….. to do any work.

14. If we leave the car here, it (not be)………………WON'T BE…………….. in anybody’s way.

15. Someone (steal)…………………WILL STEAL……………… your car if you leave it unlocked.

16. Unless he (work)……………WORKS………… harder, he will be fired.

17. If you come late, they (not let)……………WON'T LET…………… you in.

18. If you (not go) ………DON'T GO……………away, I’ll call the police.

19. If he (eat) …………EATS……………..all that, he will be ill.

20. What (happen) …………WILL HAPPEN…………….if my parachute does not open?

II. Find and correct the mistake.

1. I get rid of my old car if you don’t need it.

get -> will get

2. You won’t be able to use grammar correctly unless you don’t understand it.

unless -> if

3. Nobody will like you if you won’t change your behaviour.

won't -> don't

4. If I’ll order the new TV set tomorrow, we’ll get it on Monday.

I'll -> I

5. Anna doesn’t come to the party if you don’t invite her.

doesn't -> won't

6. Jack won’t go to dance unless Marry will ask him.

will ask -> asks

7. If you will need my help, I will be in my office until 4:00.

will need -> need

8. If you finish your dinner, you are allowed to watch TV.

are -> will be

9. If we will go shopping tomorrow, I’ll probably buy a new dress.

will go -> go

10. If mum is tired tonight, I cook dinner.

cook -> will cook

11. John will tell us if there will be any news.

will be -> is

12. If I won’t get a good mark in the geography test, I’ll be very annoyed!

won't -> don't

13. You are tired in the morning if you don’t go to bed soon.

are -> will be

14. If you see Karen, do you ask her to call me?

do -> will

15. Does Frank come with us if we go to the beach at the weekend?

Does -> Will

16. If you need help, will tell me!

will tell -> tell

17. If we goes on holiday this summer, we’ll go to France.

goes -> go

18. We won’t have a picnic if the weather didn’t improve.

FURTHER PRACTICE: CONDITIONAL SENTENCES TYPE 1

I. Give the correct form of the verbs in brackets.

1. If he (do)………does……… well in the exam, his parents will buy me an MP3 player.

2. If my sister borrows my clothes again, I (scream)……………will scream…………..!

3. We’ll leave at 6 o’clock if the weather (be)…………is………… bad.

4. They (not mind)………………won't mind………………… if we’re a bit late this afternoon.

5. Sarah will be very annoyed if Dave (not call)…………doesn't call………. her this evening.

6.  Will You still (go)…………go…………. to the concert if the tickets cost 60 euros?

7. If Rania doesn’t come to the party, will Greg (be)…………be……… upset?

8. I’ll be surprised if Doug and Dana (not get)…………………don't get……………….. a new car soon.

9. If she (leave)……………leaves…………… at five o’clock, she’ll be there by half past seven.

10. We (call) …………………will call………………………you if we have any problems.

11. He’ll be late for the train if he (not start)…………………doesn't start…………. at once.

12. If I lend you $100, when will you (repay)…………………repay………………… me?

13. Unless I have a quiet room, I (not be able)……………won't be able………….. to do any work.

14. If we leave the car here, it (not be)…………won't be………………….. in anybody’s way.

15. Someone (steal)……………will steal…………………… your car if you leave it unlocked.

16. Unless he (work)…………works…………… harder, he will be fired.

17. If you come late, they (not let)……………won't let…………… you in.

18. If you (not go) …………don't go…………away, I’ll call the police.

19. If he (eat) …………eats……………..all that, he will be ill.

20. What (happen) …………will happen…………….if my parachute does not open?

II. Find and correct the mistake.

1. I get rid of my old car if you don’t need it.

get -> will get

2. You won’t be able to use grammar correctly unless you don’t understand it.

don't -> bỏ / unless -> if

3. Nobody will like you if you won’t change your behaviour.

won't -> don't

4. If I’ll order the new TV set tomorrow, we’ll get it on Monday.

I'll -> I

5. Anna doesn’t come to the party if you don’t invite her.

doesn't -> won't

6. Jack won’t go to dance unless Marry will ask him.

will ask -> asks

7. If you will need my help, I will be in my office until 4:00.

will -> bỏ

8. If you finish your dinner, you are allowed to watch TV.

are -> will be

9. If we will go shopping tomorrow, I’ll probably buy a new dress.

will go -> go

10. If mum is tired tonight, I cook dinner.

cook > will cook

11. John will tell us if there will be any news.

will be -> is

12. If I won’t get a good mark in the geography test, I’ll be very annoyed!

won't get -> get

13. You are tired in the morning if you don’t go to bed soon.

are -> will be

14. If you see Karen, do you ask her to call me?

do -> will

15. Does Frank come with us if we go to the beach at the weekend?

Does -> will

16. If you need help, will tell me!

will tell -> tell

17. If we goes on holiday this summer, we’ll go to France.

goes -> go

18. We won’t have a picnic if the weather didn’t improve.

didn't -> doesn't

18. We won’t have a picnic if the weather didn’t -> doesn't improve.

III. Choose IF or UNLESS to complete the following sentences.

1. UNLESS my teacher helps me, I’ll be unable to do it.

2. IF I meet his father, I’ll tell him the whole truth.

3. You won’t get well UNLESS you stop eating junk food.

4. UNLESS you exercise regularly, you won’t be able to lose some weight.

5. IF you exercise regularly, you’ll lose some weight.

6. The teacher will be mad IF you don’t do the homework.

7. You can’t go on vacation IF you don’t save your money.

8. You will feel cold UNLESS you wear a jacket.

9. They’ll arrive on time IF they hurry.

10. Don’t call me late UNLESS it’s an emergency.

IV. Rewrite the following sentences.

1. If you don’t study harder, you’ll fail the next exam.

=> Unless you study harder, you'll fail the next exam

2. If he doesn’t practice writing every day, he can’t improve his writing skill.

=> Unless he practices writing every day, he can’t improve his writing skill

3. Unless this man is a driver, he can’t help you move by car.

=> If this man isn't  a driver, he can’t help you move by car

4. Unless you go out more often, you might fall ill.

=> If you don't go out more often, you might fall ill

5. If you don’t return this book to the library today, you’ll have to pay a fine.

=> Unless you return this book to the library today, you’ll have to pay a fine 

6. If you don’t practice harder, you will lose in the next game.

=> Unless you practice harder, you will lose in the next game

7. If Nam doesn’t speak English every day, he will easily forget how to use it.

=> Unless Nam speaks English every day, he will easily forget how to use it.

8. Unless our team had joined the competition, we would not have achieved this prize.

=> If our team had not joined the competition, we would not have achieved this prize

9. If students don’t return books to the library this week, they’ll have to pay a fine.

=> Unless students return books to the library this week, they’ll have to pay a fine

10. If Peter doesn’t study hard, he will get low marks.

=> Unless Peter studies hard, he will get low marks

11. This movie was so boring, so he didn’t watch it.

=> Because this movie was so boring, he didn’t watch it

12. I haven’t seen Mai for 4 years.

=> I last saw Mai 4 years ago

13. Bao was ill yesterday. He did all his homework.

=> Although Bao was ill yesterday,he did all his homework

14. Nowhere is more comfortable than my home.

=> My home is the most comfortable place

15. I started teaching English three years ago.

=> I have taught English for three years

16. Walk faster or you will miss the bus.

=> If you ​don't walk faster, you will miss the bus

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

=> Unless you are with me, I won't enjoy the film

18. You must leave home early or you will miss the flight.

=> If you don't leave home early, you will miss the flight

19. John will pass the driving exam if he isn’t nervous.

=> Unless John is nervous, he will pass the driving exam

20. They will go on holiday if they have time.

=> Unless they don't have time, they will go on holiday

21. You have to get up early or you will be late for school.

 => If you don't get up early, you will be late for school

22. He will take a taxi if it rains.

=> Unless it rains, he will not take a taxi

1- I……don't visit ( not/visit ) my parents ver often.

2- We …don't study……(not study ) chemistry because it…is…… (be ) difficult.

3- She (not study) _doesn't study_ on Friday.

4- My students (be not) _aren't_ hard working.

5- He (not/have) _doesn't have_ a new haircut today.

6- Jack usually (not/have) _doesn't have_ breakfast at 7.00.

7- She ( not/live) _doesn't live_ in a  big house.

8- My sister (not/work) _doesn't work_ in a bank.

9- They (not/live)_don't live_ in Florida.

10- It (not/rain)_doesn't rain_ almost every day in Manchester.

1. making

2. to celebrate

3. to participate

4. to properly wear

5. was

    Put the verbs in brackets in the correct form.

1.In my ethnic group,we have a traditon of(make)_maki___ dumpling on the winter solstice.

2.I always look forward(celebrate)_to celebrating__the Lunar New Year with my family.

3.My parents allow me(participate)_to participate___in traditional dance performances during culural festivals.

4.Can you show me how(properly/wear)__to properly wear__a hanbok,the traditional Korean clothing?

5.Yesterday,the number of attendees at the cultural event(be) __was__much higher than expected.

1. I made my daughter (study) ...............study......................... hard.

2. (Clean) .........clean.................. the floor, please!

3. His plan is (keep) .........keeping...........................the affair secret.

4. It is dangerous (lean) ...............................to clean............. out of the window.

5. You had better (say) ..............say.......................... nothing.

6. Do not (touch) ....................touch........................... these wires.                                             

7. (Collect) ...................collecting................ stamp is her hobby.

8. You are too young (understand) ...................to understand..........................

9. He found that (park)parking  was difficult.After (swim) ...................swimming................... I felt cold.

10. I found it difficult (park) ...........to park...................................

11. I find (arrange) ........................arranging....................... flowers relaxing.

12. I don’t like (get) ……getting………up early in the winter. I love (stay) …………staying…….. in bed late.

13. Mai’s dad likes (make) ……………making……………spring rolls when her family has parties.

14. Do you fancy (go) ………going…………..around the West Lake with me this Sunday morning?

15. Peter is interested in (read) …………reading…………………..comics.

16. I am looking forward to (have) ……………having……………….a trip to England.

17. My best friends don’t mind (help) …………helping………………. me with my homework

18. Lan prefers (play) …………to play……………….outdoor games.

19. Lam is bored with (watch) ……watching…………………………… TV.

20. He thinks that (chat) ………chatting…………….. on the Internet is a waste of time.

21. Eating fruit and vegetables every day (be) ……………is………….. very healthy.

22. She began (learn) …………learning……………. English when she was seven.

23. She doesn’t like (communicate) …...…communicating……throuh emails. In fact, she hates (do) …doing……. it.

24. Don’t forget (post) ………to post……………. the letter for me!

25. What do you want (do) …………to do……. this evening?

26. They spent all morning (study) ……………studying……… the lessons.

27. They’ve decided (have) ………to have……..a video conference with their colleagues right away.

28. I stopped (read) ………reading…………. my book and went to bed.

29. We are visiting Ha Noi tomorrow. Would you like (come) ..............to come............... with me?

30. My mother taught me (play) ................to play.............. the piano when I was six years old.

31. We should (protect) ………protect…………the forests

32. Let’s (help) …………help………………..her

33. Don’t (waste) ………waste……………….electricity!

34. What about (have) …………having……………….dinner out tonight?

35. Please stop (talk) ………talking……, I (try)……am trying………….(finsish) ……to finish…………a letter to the Y&Y group

36. Stop (argue) ………………arguing……………..and start (work) ……………working……………….

37. Ask him (come) …to come……………..in. Don’t keep him (stand) ……standing………….at the door

38. Don’t forget (lock) ………to lock……..the door before (go) ……………going………….to bed.

39. Does your jacket need (wash) …washing………….? No, but you need (iron) ………o iron…………it

40. I prefer (walk) ………walking…………..to (ride) ……………………riding…………

41. I don’t mind (walk) ………walking………….home, but I’d rather (get) ………get………..a taxi.

42. Would you mind (close) …………closing…………….the window for me?

43. Is she used to (live) ……living…………………in a big city?

44. He thinks that (chat) …………chatting………….. on the Internet is a waste of time.

45. Don’t forget (post) ………to post……………. the letter for me!

46. We hate (ask) ............................being asked.........................personal questions

47. Have you finished (write) ...........................writing...............your composition yet?

48. He tried (avoid) ...........................to avoid.......(answer ) ....answering..................................my questions

49. Do you enjoy (lie) ....lying..................... on the beach? No, I dislike (sit) .................sitting..........on the beach all day

50. Are you looking forward to (see) ...seeing............Ann again? – I expect ......to meet.......(meet) her soon

III. Give the correct form of verbs in brackets.

1. I made my daughter (study) ..........to study.............................. hard.

2. (Clean) .........Clean.................. the floor, please!

3. His plan is (keep) ...........kept.........................the affair secret.

4. It is dangerous (lean) ..........to lean.................................. out of the window.

5. You had better (say) ...........say............................. nothing.

6. Do not (touch) ................touch............................... these wires.                                             

7. (Collect) ............... Collecting.................... stamp is her hobby.

8. You are too young (understand) .....................to understand........................

9. He found that (park)  parking was difficult.After (swim) ............... swimming....................... I felt cold.

10. I found it difficult (park) ................to park..............................

11. I find (arrange) ............arranging................................... flowers relaxing.

12. I don’t like (get) …getting…………up early in the winter. I love (stay) ……staying………….. in bed late.

13. Mai’s dad likes (make) …………making………………spring rolls when her family has parties.

14. Do you fancy (go) ……………going……..around the West Lake with me this Sunday morning?

15. Peter is interested in (read) ……………reading………………..comics.

16. I am looking forward to (have) ……………having……………….a trip to England.

17. My best friends don’t mind (help) ………helping…………………. me with my homework

18. Lan prefers (play) ………………to play………….outdoor games.

19. Lam is bored with (watch) …………………watching……………… TV.

20. He thinks that (chat) ……………chatting……….. on the Internet is a waste of time.

21. Eating fruit and vegetables every day (be) ………is……………….. very healthy.

22. She began (learn) ………learning………………. English when she was seven.

23. She doesn’t like (communicate) ….communicating..………throuh emails. In fact, she hates (do) ………. it.

24. Don’t forget (post) …………to post…………. the letter for me!

25. What do you want (do) ………to do………. this evening?

26. They spent all morning (study) …………studying………… the lessons.

27. They’ve decided (have) ……to have………..a video conference with their colleagues right away.

28. I stopped (read) …………to read………. my book and went to bed.

29. We are visiting Ha Noi tomorrow. Would you like (come) ...........to come.................. with me?

30. My mother taught me (play) .........to play..................... the piano when I was six years old.

31. We should (protect) …………protect………the forests

32. Let’s (help) …………help………………..her

33. Don’t (waste) ……………waste………….electricity!

34. What about (have) ……………having…………….dinner out tonight?

35. Please stop (talk) …talking…………, I (try)………try……….(finsish) ……finishing…………a letter to the Y&Y group

36. Stop (argue) ………………arguing……………..and start (work) …………working………………….

37. Ask him (come) …………to come……..in. Don’t keep him (stand) ……to stand………….at the door

38. Don’t forget (lock) ……to lock………..the door before (go) ………………going……….to bed.

39. Does your jacket need (wash) ………washing…….? No, but you need (iron) ………to iron…………it

40. I prefer (walk) …………walking………..to (ride) ……………riding…………………

41. I don’t mind (walk) ………walking………….home, but I’d rather (get) ………get………..a taxi.

42. Would you mind (close) ………closing……………….the window for me?

43. Is she used to (live) …………live……………in a big city?

44. He thinks that (chat) …………chatting………….. on the Internet is a waste of time.

45. Don’t forget (post) …………to post…………. the letter for me!

46. We hate (ask) ...............being asked......................................personal questions

47. Have you finished (write) ..............to write............................your composition yet?

48. He tried (avoid) ..............to avoid....................(answer ) ..............answering........................my questions

49. Do you enjoy (lie) ............lying............. on the beach? No, I dislike (sit) ............sitting...............on the beach all day

50. Are you looking forward to (see) .......seeing........Ann again? – I expect ...to meet..........(meet) her soon

1. told - would

2. told - had lost

3. said - didn't like

1. moves

2. visit

3. repaired

4. were caught

5. will have finished

6. had (chắc z)