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I. Fill each blank with can, can' t, could, couldn' t, will be able to or won' t be able to.
1. Robots can' t talk now. In the future they ____will be able_____ to talk to people.
2. In the past, robots _____couldn't_____ make coffee but they can now.
3. My younger brother ____could____ do sums when he was 5.
4. My sister ____couldn't___ swim when she was 6.
5. ______can_____ you speak English fluently and quickly ?
6. I _____can't____ write letters to my English friend.
7. I like teaching robot. They___can____ help us study better.
8. Robots _____will be able to___ guard the houses in the future.
9. _____could____ robot lift heavy things some years ago ?
10. In the future, robots ____will be able to____ understand what we say.
I. Fill each blank with can, can' t, could, couldn' t, will be able to or won' t be able to.
1. Robots can' t talk now. In the future they _____will be able____ to talk to people.
2. In the past, robots _____couldn't_____ make coffee but they can now.
3. My younger brother ____could____ do sums when he was 5.
4. My sister ___could____ swim when she was 6.
5. ____Can_______ you speak English fluently and quickly ?
6. I ____can_____ write letters to my English friend.
7. I like teaching robot. They___can____ help us study better.
8. Robots _____will be able to___ guard the houses in the future.
9. ____Could_____ robot lift heavy things some years ago ?
10. In the future, robots ___will be able to_____ understand what we say.
1.Can
2.can not.
3.will be able to
4.can
5.can, can not
6.will, able to
7.will, able to
8. Can
9. Could hoặc could not
10. Could. Could not
11. Will not be able to
12. Will be able to
13. Could
14.can
15.will be able to, will not be able to
Complete the sentences. Use can, can't, could, couldn't and the verbs.
cook / come / hear / pass / persuade / beat / play / run / walk / write
1. Some robots can play musical instruments now.
2. Tom couldn't walk when he was less than one year old.
3. I'm afraid I can't come to your party tonight.
4. My brother can cook very well. He is a chef in a French restaurant.
5. John was an excellent tennis player. He can beat anybody.
6. If you try hard, you can pass your examinations.
7. They were so busy that they couldn't write me a text message.
8. This telephone is terrible. I can hear you at all.
9. When Tom was 16, he could run 100 metres in 11 seconds.
10. We tried hard but we couldn't persuade them to come with us.
Đề bài: Past and future. Change the time of these sentences.
1. I can speak French now.
............................I will speak French...........................................on holiday next year.
2. Everybody can do exercises more frequently to keep fit.
...........Everybody will do exercises more frequently to keep fit
.............................................................................in coming years.
3. Peter can play the piano.
...................Peter could play the piano.................................................................when he was five.
4.Can you play the guitar?
.......................will you play the guitar..................................at the next school concert?
5. John can't read well.
.............................John could not read well....................................when he was younger.
6. We can't buy car.
..........................We won't buy car..............................................before next year.
7. We can meet the doctor.
...............................We will meet the doctor........................................next week.
8. Every people can say what they think.
................... Every people will say.............................what they think in the year 2050.
9. My teacher can't arrive on time because he misses the train.
......................My teacher couldn't arrive on time................................this afternoon because he missed the train.
10. Robots can help people guard their house.
............................Robots will help people guard their house.........................................................in two years.
1. Some robots ____can play____ musical instruments now.
2. Tom ___could go____ when he was less than one year old.
3. I'm afraid I ___can't go____ to your party tonight.
4. My brother ____can cook___ very well. He is a chef in a French restaurant.
5. John was an excellent tennis player. He___could play with____anybody.
6. If you try hard, you ____can pass___ your examinations.
7. They were so busy that they ___couldn't give____ me a text message.
8. This telephone is terrible. I ___couldn't call____ you at all.
9. When Tom was 16, he __could run_____ 100 metres in 11 seconds.
10. We tired hard but we ____couldn't invite___ them to come with us.
1. future / robots / able / do / many / thing / / humans //.
in the future robots will be able to do many things humans
2. past / robots / cannot / teach / class / but / they / now //.
in the past robots couldn't teach in classes but they can now
3. robots / able / guard / houses / when / we / be / away //.
robots will be able to guard houses when we are away
4. some / year / ago / robots / cannot / move / easy / but / they / able / walk / now //.
some years ago robots couldnot move easily but they are able to walk now
5. robots / able / do / gardening / but / not / able / play / sports / games / you //.
robots are able to do the gardening but are not able to play sports game with you
1. In the future, robots will be able to do many things humans.
2. In the past, robots couldn't teach classes but they can now.
3. Robots will be able to guard houses when they are away.
4. Some years ago, robots could not move easily but they are able to walk now.
5. Robots are able to do the gardening but they are not able to play sports game with you.
Study well ! >_<
1.Some robots …………can play………………musical instruments now .
2.Tom……could walk…………..when he was less than one year old .
3.i’m afraid i………can't come……………..to your party tonight.
4.My brother …………can cook………..very well .Heis a chef in a French restarant .
5.John was an excelent tennis player .He ……………could beat……………….. anybody .
6.if you try hard , you ……can pass………….your examinations.
7.They were so busy that they ………can't write…………me a text message.
8.This telephone is terrible .i………can't hear………..you at all .
9.When Tom was 16,he…………could run………100 meter in 11 second .
10.We tried hard but we ……………couldn't persuade.................them to come with us
Exercise 1. I _____couldn't speak______ English when I was six but now I can. (can/ not/ speak) *
2. Maybe the Smiths ____will be able to build_____ a new house next year. (be able/ build) *
3. If you try hard, you ____can pass___ your examinations. (can/ pass) *
4.Dennis ____can play_____the trumpet after four months. (can/ play) *
5. When I was five, I ____couldn't swim____ (not/ can/ swim) *
6. Luke has passed his driving test, now he ____can drive___a car. (can/ drive) *
7. Lan _____will be able to help____ you tomorrow. (be able/ help) *
8. Alex _____won't be able to do____his homework when his desk is in such a mess. (not/ be able/ do) *
9. They were so busy, they ____couldn't text____me. (not/ can/ text) *
10. John _______could play____the piano very well 5 years ago. (can/ play) *
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