VietJack com Facebook Học Cùng VietJack Học trực tuyến khoahoc vietjack com Youtube Học Cùng VietJack CAN – COULD – BE ABLE TO Can, Could, và Be able to đều mang nghĩa “có thể”, diễn tả khả năng làm g[.]
VietJack.com Facebook: Học Cùng VietJack CAN – COULD – BE ABLE TO Can, Could, Be able to mang nghĩa “có thể”, diễn tả khả làm Tuy nhiên, chúng có khác định Can Can dùng để diễn đạt: a Khả tương lai Eg: I haven‟t got time today, but I can see you tomorrow (Hôm tơi khơng có thời gian, tơi gặp bạn vào ngày mai.) b Sự xin phép cho phép, thể phủ định (cannot) cấm đốn văn nói Eg: Can I use your phone? (Tơi dùng điện thoại bạn khơng?) c Yêu cầu, đề nghị gợi ý Eg: Can you wait a moment, please? (Vui lòng đợi lát nhé?) d Khi dùng với động từ tri giác mang nghĩa tiếp diễn Eg: Listen! I think someone is singing = Listen! I think I can hear someone singing (Nghe này! Tơi nghĩ có hát.) Could a Could dạng khứ Can, khả khứ Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack Eg: My sister could play the piano when she was (Em gái biết chơi dương cầm từ tuổi.) b Could trợ động từ tình thái, dùng để diễn đạt: - Điều xảy tương lai không chắn Eg: The phone is ringing It could be Tom (Điện thoại kêu kìa, Tom đấy.) - Sự xin phép (trịnh trọng dùng Can) Eg: Could I ask you something? (Tơi hỏi bạn vài khơng?) - Yêu cầu lịch sự, trịnh trọng Can Eg: Could you mail this letter for me? (Bạn chuyển thứ giúp không?) c Could dùng câu điều kiện loại II Eg: If you tried, you could that work (Nếu bạn cố gắng, tơi làm cơng việc đó.) Be able to - Am/ is/ are + able to = Can (chỉ khả năng) - Was/ were + able to = Could (chỉ khả năng) Lưu ý: Nếu câu nói hàm ý thành công việc thực hành động mà chủ thể cố gắng, xoay sở để thực Be able to sử dụng Could Eg: The plane was able to take off after the fog had lifted (Máy bay cất cánh sau sương mù tan.) Bài tập Can, Could, Be able to Exercise Write the phrases in brackets in their correct forms into the gaps Lisa has been able to clean her dress She can wear it again (can/to clean) Last week we………… swimming, this week we can‟t (can/to go) Maybe the Smiths………… a new house next year (can/to build) Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack If you try hard, you………… your examinations (can/to pass) When I was five, I………… (not/can/to swim) Dennis…………the trumpet after four months (can/to play) Luke has passed his driving test, now he………… a car (can/to drive) I…………to him on the phone for three weeks last month (not/can/to speak) Alex…………his homework when his desk is in such a mess (not/can/to do) They were so busy, they…………me (not/can/to text) Đáp án: could go will be able to build can pass could not swim could play can drive could not speak will not be able to could not text Exercise Choose the best options to complete the sentences Lan has learnt English for years so she speak English fluently now A can B could She sing an English song at the age of A can B could _ robots talk to people some years ago? A Can B Could He _ read and write when he was years old A could B might Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack _ they climb Mount Fansipan now? A Can B Could John _ play the piano very well years ago A will B could In the past, robots only very simple things A can B could I _ swim until I was 10 years old A can't B couldn't Đáp án: 1B 2B 3A 4A 5B 6B 7B Exercise Complete the sentences using can or (be) able to If can is not possible, use (be) able to I haven‟t been able to sleep very well recently Nicole ……… drive, but she doesn‟t have a car I used to ……… stand on my head, but I can‟t it any more I can‟t understand Mark I‟ve never ……… understand him I can‟t see you on Friday, but I ……… meet you on Saturday morning Ask Katherine about your problem She might……… help you You have to be careful in this part of the city It ……… be dangerous Đáp án: Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack can be able to been able to can/ will be able to be able to can Exercise Complete the sentences with can/can’t/could/couldn’t + the following: believe come hear run sleep wait I‟m afraid I can‟t come to your party next week When Dan was 16, he …………….100 metres in 11 seconds „Are you in a hurry?‟ „No, I‟ve got plenty of time I …………… ‟ I don‟t feel good this morning I …………….last night Can you speak a little louder? I …………….you very well I was amazed when I heard the news I …………….it Đáp án: could run can wait couldn‟t sleep can‟t hear couldn‟t believe Exercise Complete the sentences using could, couldn’t or managed to My grandfather travelled a lot He could speak five languages Jessica had hurt her foot and …………….walk very well There was a small fire in the kitchen, but fortunately I …………….put it out The walls were thin and I …………….hear people talking in the next room Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack I ran my first marathon recently It was very hard, but I …………….finish My grandmother loved music She …………….play the piano very well Đáp án: couldn‟t managed to could couldn‟t managed to Exercise Choose the best answer _ play professional tennis, you must be extremely fit a Couldn‟t b Will you be able to c To be able to _ you hear the fireworks from your house last night? a Can b Can‟t c Could Do you think you _ write that report by Tuesday? I know you‟re very busy a will be able to b couldn‟t c have been able to I _ touch my toes See! a could b can c will be able to I spend another moment in that restaurant It was too noisy a can‟t Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack VietJack.com Facebook: Học Cùng VietJack b couldn‟t c have been able t I _ never seem to get the temperature right a can b can‟t c to be able t Đáp án: 1c 2a 3b 4b 5a Học trực tuyến: khoahoc.vietjack.com Youtube: Học Cùng VietJack