

lesson 15(opt)
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English
•
11th Grade
•
Hard
Hiệp Nguyễn
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5 Slides • 0 Questions
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lesson 15(opt)

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Could/ Be able to
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1. Can+ inf( can't +inf): để diễn tả một việc có khả năng xảy ra hoặc một người có khả năng làm gì trong hiện tại hoặc tương lai.
Ex: I can see you tomorrow.
2. Could + Inf( couldn't +inf): Quá khứ của can.
Ex: She could sing very well whe she was a child
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3. Be able to+ inf: nói về năng lực & hành động cụ thể được thực hiện trong 1 hoàn cảnh đặc thù bằng sự nỗ lực.
Ex: He was able to get the job althought he didn't have enough qualifications
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Notes: - Trong câu phủ định hoặc đối
với các động từ chỉ giác quan, ko có sự khác nhau khi dùng could & was/were able to.
Ex: The weather was awful, so I couldn't go/ wasn't able to go sailing
- Không dùng Can/could sau một trợ động từ hoặc động từ khuyết thiếu khác/ hay sau To/ Hoặc thì hoàn thành...Khi đó ta dùng Be able to.
Ex: He will be able to see you tomorrow
lesson 15(opt)

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