1. What should I say? He can't think.
2. Where shall we go? They are not sure.
3. Where do we put the sofa? We do not know.
4. What should I write my home paper about? I have no idea.
5. How should I start the engine?  No one could tell.

1 He can't think 

2 They aren't sure

3 We don't know

4 I have no idea of it

5 No one could tell 

1.were still sleeping, came

2.was painting, came

3.was washing, arrived

4.were you doing, came

5.were they doing, rained

6.arrived, was shedoing

7.came ,were your friends doimg

8.went,were sleeping, were you doing

9.was sleeping, was working

10.were they doing,came

put verbs in the correct form

1.They was still (sleep)sleeping well when their father (come)came back home from work

2.Tom (paint)was painting his house when we (come)came

3.Hoa (wash)was washinf her clothes when they (arrive)arrived

4.What were you (do)doing when they (come)came ?

5.What were they (do)doing when it (rain)rained ?

6.When he (arrive)arrived what was she (do)doing ?

7.When you (come)came what were your friends (do)doing?

8.When Nam (go)went, we (sleep)were sleeping well and what were you (do)doing ?

9. I (sleep)was sleeping While My mum (work)was working hard in the field

10.What were they (do)doing when their teacher (come)came ?

Fill in the blanks with " what, where, how, when,..." and one of the verbs in the box

RENT

1.She showed me ___how to speak___ English fluently

2. Could you tell me__how to get___ to the stadium?

3. He told me _where to rent__ flat

4. She advised me __where to buy__ the best book

5.Jane pointed out to me __what to do_ with waste paper

1.How long/it/take you/get/school.

-> How long does it take you to get to school?

2.two girls/have/make/fire/rub/pieces/bamboo together

-> Two girls have made fire by rubbing pieces of bamboo together.

3.I/play badminton/Nam/when/my friends/come

-> I was playing badminton with Nam when my friends came.

4.He/not/know/what/do/situation

-> He didn't know what to do in that situation.

5.Marie Curie/born/Poland/1867

-> Marie Curie was born in Poland in 1867.

6.One of/students/told/teacher/it/Christmas/following week

-> One of the students told the teacher it would be Christmas the following week.

Rewrite the sentences using question words + to infinitives

1.I can't decide what I should wear to the party tonight

I can't decide what to wear to the party tonight

2.Could you tell me where I should hang these picture

Could you tell me where to hang these picture ?

3.I have not idea when I should leave for the bus

I have no idea when to leave for the bus

4.We're not sure where I should keep these files

We're not sure where to keep these files

5.He wondered how he can tell this news to his parents

He wondered how to tell this news to his parents

6.They can't decide who they should meet firt

They can't decide who to meet first

7.I'm so confused and I don't know that I should do now

I'm so confused and I don't know what to do now

8.The children must know when they have to go to bed

The children must know when to go to bed

I. Viết câu với các từ gợi ý.
1. How long were they at the seaside last summer holidays?
2. He was there for a month.
3. This picture looks very nice.
4. What was the matter with her last Friday?
5. How far is it from your town to Da Lat?
II. Viết câu với các từ gợi ý.
1. That river is about 100 km long.
2. What is the weather like in HCM city today?
3. It was very cold last night.
4. Why didn’t he go to school last week?
5. What is Mrs. White doing at the moment ?
III. Viết lại các câu, dùng thì quá khứ đơn.
1. I was very tired, hungry and thirsty.
2. Where were your classmates?
3. Her brother wasn’t in the garden.
4. Were they his shoes? Yes, they were his shoes.
5. We were in the school-yard.
IV. Viết lại các câu, dùng thì quá khứ đơn.
1. Tom and Daisy weren’t playing tennis.
2. I answered the phone when he called me.
3. What did your sister do?
4. The children went to the movies every Sunday evening.
5. My mother wanted to buy a new bike for me.

Bài tập hoàn thành câu.
I. Dùng từ gợi ý viết hoàn chỉnh mỗi câu sau.
1. Nga / mother / write / sick note / her / yesterday?
2. Linh / not go / school / last Wednesday / because / she / have / bad cold.
3. You / better / eat / too / candies / because / they / not good / your teeth.
4. Father / have / stomachache / and / pain / chest.
5. Students / fill / medical records / and / give / the nurse.
II. Dùng từ gợi ý viết hoàn chỉnh mỗi câu sau.
1. Hoa / measure / height / weight / the scale / the moment.
2. Mr. Lam / now wear / face mask / protect him / breathe / dust.
3. Last semester / my class / there be / total / 98 days’ / absence / due / sickness.
4. Last year / brother / work / engineer / printing factory.
5. We / cold / “common” / because / every year / millions / people / world / catch.
III. Sắp xếp các từ thành câu hoàn chỉnh.
1. morning / you / get / up / did / this / early?
2. did / cold / you / have / a / when / recently?
3. prevent / you / how / a / can / cold / help?
4. everyday / exercise / do / morning / you / do?
IV. Sắp xếp các từ thành câu hoàn chỉnh.
1. eat / this / what / did / you / time / morning / breakfast?
2. now / feeling / you / how / are?
3. wrote / letter / boy / the / night / last / the.
4. want / more / I / have / tea / some / to.

Nhiều quá bạn à

I. Viết câu với các từ gợi ý.
1. How long were they at the seaside last summer holidays?
2. He was there for a month.
3. This picture looks very nice.
4. What was the matter with her last Friday?
5. How far is it from your town to Da Lat?
II. Viết câu với các từ gợi ý.
1. That river is about 100 km long.
2. What is the weather like in HCM city today?
3. It was very cold last night.
4. Why didn’t he go to school last week?
5. What is Mrs. White doing at the moment ?
III. Viết lại các câu, dùng thì quá khứ đơn.
1. I was very tired, hungry and thirsty.
2. Where were your classmates?
3. Her brother wasn’t in the garden.
4. Were they his shoes? Yes, they were his shoes.
5. We were in the school-yard.
IV. Viết lại các câu, dùng thì quá khứ đơn.
1. Tom and Daisy weren’t playing tennis.
2. I answered the phone when he called me.
3. What did your sister do?
4. The children went to the movies every Sunday evening.
5. My mother wanted to buy a new bike for me.

Bài tập hoàn thành câu.
I. Dùng từ gợi ý viết hoàn chỉnh mỗi câu sau.
1. Nga / mother / write / sick note / her / yesterday?
2. Linh / not go / school / last Wednesday / because / she / have / bad cold.
3. You / better / eat / too / candies / because / they / not good / your teeth.
4. Father / have / stomachache / and / pain / chest.
5. Students / fill / medical records / and / give / the nurse.
II. Dùng từ gợi ý viết hoàn chỉnh mỗi câu sau.
1. Hoa / measure / height / weight / the scale / the moment.
2. Mr. Lam / now wear / face mask / protect him / breathe / dust.
3. Last semester / my class / there be / total / 98 days’ / absence / due / sickness.
4. Last year / brother / work / engineer / printing factory.
5. We / cold / “common” / because / every year / millions / people / world / catch.
III. Sắp xếp các từ thành câu hoàn chỉnh.
1. morning / you / get / up / did / this / early?
2. did / cold / you / have / a / when / recently?
3. prevent / you / how / a / can / cold / help?
4. everyday / exercise / do / morning / you / do?
IV. Sắp xếp các từ thành câu hoàn chỉnh.
1. eat / this / what / did / you / time / morning / breakfast?
2. now / feeling / you / how / are?
3. wrote / letter / boy / the / night / last / the.
4. want / more / I / have / tea / some / to.

Rewrite the following sentences using question words before to-infinitives

1/ i don't know where i should visit this summer vacation

___________I don't know where to visit this summer vacation___________________________________________

2/ could you tell me who i should ask for advice?

________Could you tell me who to ask for advice?______________________________________________

3/ she wondered what she should write in the final essay

___________She wondered what to write in the final essay______________________________________________

4/ i have no idea who i should contact in case of emergency

_______I have no idea who to contact in case of emergency______________________________________

5/ they can't decide when they leave for America

_________They can decide when to leave for America_________________________________________

6/ i'm not sure what i should cook for my son's birthday party

_______I'm not sure what to cook for my son's birthday party______________________________________________

7/ could you tell me where i should put my umbrella ?

_________Could you tell me where to put my umbrella?_______________________________________

8/ he asked himself what he should send her as a present

_______He asked himself what to send her as a present__________________________________________

9/ i have no idea when i should leave for Japan

___________I have no idea when to leave for Japan______________________________________

10/ she wondered how she should resolve the conflict

___________She wondered how to resolve the conflict_____________________________________

1/ i don't know where i should visit this summer vacation

=>I don't know where to visit this summer vacation

2/ could you tell me who i should ask for advice?

=>Could you tell me who to ask for advice?

3/ she wondered what she should write in the final essay

=>She wondered what to write in the final essay

4/ i have no idea who i should contact in case of emergency

=>I have no idea who to contact in case of emergency

5/ they can't decide when they leave for America

=>They can decide when to leave for America

6/ i'm not sure what i should cook for my son's birthday party

=>I'm not sure what to cook for my son's birthday party

7/ could you tell me where i should put my umbrella ?

=>Could you tell me where to put my umbrella?

8/ he asked himself what he should send her as a present

=>He asked himself what to send her as a present

9/ i have no idea when i should leave for Japan

=>I have no idea when to leave for Japan

10/ she wondered how she should resolve the conflict

=>She wondered how to resolve the conflict