11. (Can/cant) you swim? - Yes, I (can/cant) 12. Im sorry I (can/cant) help you today, Im really busy. 13. Please (can/cant) you buy some milk on your way home? - I (can/cant) leave the house because Im looking after the baby. 14. I (can/cant) ride a bike but I (can/cant) drive a car. 15. I just (can/cant) manage to wake up on time, Im always late. 16. Hello, (can/cant) I help you? - Actually, no you (can/cant). This restaurant is awful and weve been waiting here for half an hour. Were leaving. 17. I have a special talent, I (can/cant) touch my nose with my tongue (can/cant) you? 18. (Can/Cant) I go to the bathroom please?- Yes, of course you (can/cant). 19. Look! Its right there! (Can/Cant) you see it? Its so obvious! 20. Ive never been able to eat breakfast in the mornings. I (can/cant) talk to anyone either!

`11`. (Can/can't) you swim? - Yes, I (can/can't)

`12`. Im sorry I (can/can't) help you today, Im really busy.

`13`. Please (can/can't) you buy some milk on your way home? - I (can/can't) leave the house because Im looking after the baby.

`14`. I (can/can't) ride a bike but I (can/can't) drive a car.

`->` câu này bạn có thể tùy trường hợp nha

`TH1 `: I can ride a bike but I can't drive a car________ Tôi có thể đi xe đạp nhưng tôi ko thể lái ô tô.

`TH2 `: I can't ride a bike but I can drive a car________ Tôi ko thể đi xe đạp nhưng tôi có thể lái ô tô.

`15`. I just (can/can't) manage to wake up on time, I'm always late.

`->` Tôi không thể dậy đúng giờ, tôi luôn luôn muộn.

Trong câu này thì phải dựa vào vế sau "I'm always late" để chọn.

`16`. Hello, (can/can't) I help you? - Actually, no you (can/can't). This restaurant is awful and weve been waiting here for half an hour. Were leaving.

`17`. I have a special talent, I (can/can't) touch my nose with my tongue (can/can't) you?

`->` Câu hỏi đuôi: nếu ở vế trước là khẳng định thì câu hỏi đuôi ở dạng phủ định và ngược lại.

` TH1 `: ...................., I (can/can't) touch my nose with my tongue (can/can't) you?

` TH2 `: ...................., I (can/can't) touch my nose with my tongue (can/can't) you?

`18`. (Can/Can't) I go to the bathroom please?- Yes, of course you (can/can't).

`19`. Look! Its right there! (Can/Can't) you see it? Its so obvious!

`20`. I've never been able to eat breakfast in the mornings. I (can/can't) talk to anyone either!

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`-` sử dụng "can" trong câu hỏi, câu đề nghị, câu khẳng định

`eg`: Can you tell me ? ( Bạn có thể kể cho tôi ko ? )

      Can you help me ? ( Bạn có thể giúp tôi ko ? )

      Yes, I can/ I can play ball. ( Tôi có thể/ Tôi có thể chơi bóng )

- Sử dụng " can't " trong câu phủ định.

`eg`: I can't go to school ( Tôi ko thể đến trường ) 

        No, I can't ( Tôi ko thể )