1 are playing - have been playing

2 hasn't gone - was bought - take

3 are going - will be

4 have written - came - haven't finished

1. are playing - have played

2. hasn't gone - bought - take

3. are going - will be

4. have written - came - haven't finished.

Trong câu bị động by + O luôn đứng sau adverbs of place (trạng từ chỉ nơi chốn) và đứng trước adverbs of time (trạng từ chỉ thời gian).

last week : trạng từ chỉ thời gian

\(\Rightarrow\)by my father sẽ đứng trước last weak

this bike has been repaired by my father since last week là câu đúng

câu 2 đúng bạn ạ

1. We (learn) HAVE LERNT English since grade 3.

2. He (repair) HAS REPAI Rthis car since 9 o'clock?

3. DO You (learn) LEARN vocabulary everyday?

4. I (already, finish) HAVE ALREADY FINISHED my work.

5. She (buy) BOUGHT a new bike yesterday.

Câu 2 bạn Bạch Dương Dễ Thương nhầm xíu nhé 

động từ repair viết thiều và nên đây là câu hỏi nhé.

Sửa:.Has he (repair)repaired this car since 9 o'clock?

1. It takes him two hours to repair this bike. (using "Gerund")

=> He spends .........2 hours repairing this bike.....................

2. He did all this homework, and then he went to the stadium. (past perfect)

=> By the time ............he he went to the stadium, he had done all this homework ...............

3. Doing morning exercise is very good for our health. (To - infinitive)

=> It's ............very good for your health to do morning exercise.............

4. She can earn enough for her living. That makes her parents happy. (Which as a connecter)

=> ......She can earn enough for her living which  makes her parents happy.............

5. Mary received her friend's e mail five months ago. (Wh-q)

=> ......When did Mary receive her friend's e mail?...............

1. I ever have ever read this story . It was interesting .

2. I think that in the future robots will us with the housework

3. I have used this bike since . I left the university . It is old now . I will buy a new one next week

1 have ever read/was

2 will help

3 have used/left/will buy

1. take

2. will have left

3. visit

4. have had

5.saw

6. to travel

7. had become

1 take

2 had left

3 visit

4 have had

5 saw

6 to travel

7 had become

1.Jacsson wouldn't let them (Take) take this picture

2.by the time you receive this letter,i (leave) had left for japan.

3.when you (visit) visit him,give him my best wishes.

4.So far this week,i (have) have had two test and a quiz.

5.i admit that i have gotten older since i last (see) saw  you.

6.Mrs Santo'sjob requires him (travel) traveled extensively throughout the would.

7.Milions of years ago,dinosaurs roamed the earth ,but they (become) were become extict by the time humanhind first appear.

Bài 1:Give the correct verb form

1:I saw a car accident while I was waiting for you on this corner yesterday

2:I am sure that I will recognize him when I see him again

3 He lost his job last month and since then he was out of work

4 I meant to buy an evening paper but I didn''t see anyone selling them

5 Do you fell like eating out or would rather have dinner at home?

6 His greatest ambition is choosing to take part in the Olympic Games

7 Tom was here not long ago. If you had came round earlier,you would have seen her

8 This is the first time I have read a novel written by a Japanese author

9 My mother is resting now.She always takes a rest after lunch

10 When I met her two weeks ago,She told me that she had just been to London

Bài 2:Give the correct form of the words in brackets

1He does his scientific research in the laboratory

2 Bells have been in existence for quite a long time

3 It is an unforgettable memory.I'll remember it eternally

4 Every participant has made good preparations for the trip

5 You can buy things like saucepans in the household store

6 The roof is too weak.It needs strengthening.

7 He may be successful one day,after all he's very ambitious.

8 He is an inexperienced worker because he is so young

9 My uncle is a historian. He knows a lot about Chinese history

10 Smoking is harmful to your health 

Bài 3:

1. The car went at full speed and crashed  into a big tree. (đâm sầm vào)

2. If it stays sunny...like.....this, the clothes will dry..in...a couple of hours. 

3. Are you ashamed...of...your behavior.....at.......the party? 

4....By......mistake I opened my sister's letter instead of my own. (by mistake: tình cờ)

5. He's gone ...to....China....on.. business.

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Past simple tense
1. Bill ...was. ( be ) born in 1980
2. They ..built.. ( build ) this house 2 years ago
3. Lan and Hoa ..didn't go.. ( not/ go ) to school yesterday
4. Mai ..left.. ( leave ) school last years
5. ..Did you visit.. ( you/ visit ) your grandmother last night ?
6. What .did he buy... ( he/ buy ) last week ?

ll. Present perfect tense
1. They (not speak) haven't spoken… to each other since they quarelled.
2. I wonder where he (live) has lived… since then.
3. You have already (drink)drunk… three cups of tea since I sat here.
4. I (wait) …have waited here for her since 7 o’clock and she (not come) hasn't come… yet.
5. John (do) has done… his homework already.
6. We (go) have gone… on a picnic in the countryside several time before.
7. I (not see) …haven't seen him today.
8. How much have you (pay) …paid for it?
9. Has She (feed) …fed the cat yet?
10. have They (do) done… their homework?
11. have You (find) found… your book?
12. have You (be) …been here before?
13. She (use) …has used this car for 5 years.
14. Someone (take) has taken… my bike.
15. He isn’t here. He (go) has gone… to Canada.
16. He (lose) has lost… his key.
17. I (not work) haven't worked… since last week.
18. We (buy) …have bought a new lamp.
19. We ( not/ plan ) haven't planned… our holiday yet/
20. Where (be/ you) have you been…?

lll. Past simple or present prefect tense
1. We (study) have studied… a very hard lesson the day before yesterday.
2. We (study) have studied… almost every lesson in this book so far
3. We (watch, never) have never watched… that television program.
4. We (watch) …watched an interesting program on TV last night.
5. My wife and I (travel) …have travelled by air many times.
6. My wife and I (travel) traveled… to Mexico by air last summer vacation.
7. I (read) have read… that novel by Hemingway several times before.
8. I (not see) …haven't seen him for three weeks. I wonder where he is.

9. The concert (begin) has begun… at 2.30 and (last) has lasted… for two hours. Everyone (enjoy) enjoyed… it very
much.
10. The play (just, begin) has just begun… . You’re a little late
11. Mr. Count (work) has worked… as a cashier for 25 years. Then he (retire) retired… and (go) went… to live in the
countryside.
12. We (miss) have missed… the bus. Now we have to walk.
13. I (not, see) haven't seen… him since last Monday.
14. I (never, read)have never read… such an interesting story in my life.
15. How many films did you (see) see… this month?
16. His health (improve) …has improved since he (leave) left… India.

a) My uncle (not be) _hasn't been___out of his house since he _____bought__(buy) a color TV.

b) Tell him (bring) __to bring____his bike inside.

c) How long have you (know) ___known____Mrs,Chi?

I (know) ____have known___her for five years.

d) Would you mind if I (take) ____took____you a cup of coffee?

e) Mary spent hours (repair) ___repairing___her bike.

f) They'd rather (walk) ____walk____than (go) ____go___by car.

g) They advised him (not cross) ___not to cross_ the street against the red lights.