2: he.....(be) your father
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Bài 2. Điền could/ couldn’t hoặc will/ won’t be able to vào chỗ trống thích hợp.
1. I ___could____ read at just the age of 4.
2. Yesterday my father __couldn’t_____ go to work because he was ill.
3. If you don’t review your lesson tonight, you __won’t ____ pass the test.
4. I am too busy with my housework, I ___won’t be able to____ meet you now.
5. Robots of the future ___will____ cook our food or even run our cars.
(#1,2: Past simple Modal verb: can-->could)
(#3: Conditional type 1)
(#4,5: Future simple)

I could ride a bike when I was five.
He could sing English songs when he was four
They could not run as fast as me
Yesterday he could not go to school because he was sick
My father could buy a car when he was twenty
1 I could ride a bike when I was five
2 He could sing English song when he was four
3 They don't run as fast as me
4 Yesterday, he didn't go to school because he was sick
5 My father bought a car when he was 20



1. They (be) have been my best friends for ten years.
2. Why he (go) went to school late this morning ?
- Because he (stay) stayed up late last night
3. That man ( catch) has caught any fish yet
4. Could you be quite, please ? I ( listen) am listening to the radio
5. How many times he (call) has called since he came to New York?
6. where your father (be) been since 1999
7. If the boy (eat) eats the waste food , he (be) will be ill
8. It (not rain) didn't rain the next day If the sky ( be) would be red in the evening
9. How long you (learn) learn English?
10. Ngoc ever (love) has love him.

1. My mother is busy (cook).....TO COOK...... dinner in the kitchen
2. Daddy, could you tell me how (run).....TO RUN...... this washing machine?
3. My father used to be a teacher. He (teach).......TAUGHT..... Chemistry at a local school
4. You had better (brush)......TO BRUSH...... your teeth after evry meal
5. Why DID NOT you (not go)......GO....... to the party last night?
1. My mother is busy (cook) cooking dinner in the kitchen
2. Daddy, could you tell me how (run) to run this washing machine?
3. My father used to be a teacher. He (teach) teached Chemistry at a local school
4. You had better (brush) brush your teeth after evry meal
5. Why didn't you (not go) go to the party last night?

I. Write complete sentences of post ability (could) or future ability (will be able to)...
1. Someday,/I/make/ a robot/of my own.
-> Someday, I will be able to make a robot of my own.
2. Peter's father/ drive/when /he/was/18 years old.
-> Peter's father could drive when he was 18 years old.
3. Robots/play/with/children/in the near future.
-> Robots will be able to play with children in the near future.
4. She/ride/a bike/when/she/was/7 years old.
-> She could ride a bike when she was 7 years old.
5. Smart phones/replace/laptops/very soon.
-> Smart phones will be able to replace laptops very soon.
6. Future robots/play music/ as humans do.
-> Future robots will be able to play music as humans do.
7. Last week,/I/not/eat/anything/because/I/was ill.
-> Last week, I couldn't eat anything because I was ill.
8. in/today/Robots/intelligent/are/than/more/those/the past.
-> Robots today are more intelligent than those in the past.
9. already/many/tasks/ Robots/ do/can/humans/done
-> Robots can already do many tasks done by humans.
10. can/ pronunciation/help/their/English/children/Teaching robots/ im prove.
-> Teaching robots English can help children improve their pronunciation.
he is your father
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