tìm tuqf khác loại ạ 

đặt câu với thì Will be able to ( câu khẳng định,câu phủ định , câu nghi vấn )

II. Động từ khuyết thiếu “ Could” (có thể)
Could/ couldn't : Diễn tả khả năng của một người có thể/ không thể làm được gì, 
hoặc một sự việc có thể/ không thể xảy ra trong quá khứ
(+) S + could + V + ... I could speak English when I was five.
(-)S + couldn’t+ V + ...  He couldn't swim when he was  ten.
(?) Could + S + V + ...?   Yes, S + could./ No, S + couldn’t.
Dùng trong câu hỏi đề nghị, xin phép, yêu cầul
Could you wait me ? Yes, I could.
BÀI TẬP 
Bài 5: Điền “ could” hoặc “couldn’t” vào chỗ trống trong các câu sau.
could: có thể. couldn't: ko thể dùng ở thì quá khứ 
1. When I was young, I __couldn't_____play the guitar: it was too difficult for me!
2. Her grandmother was bilingual: thông thạo 2 thứ tiếng: she __could_____ speak 
both English and  Spanish.
3. Yesterday, Peter _couldn't_______ do that exercise alone. So, he called me for help.
4. In 1950, people _couldn't_______  use mobile phones.
5. When his mother was young, she _could_______ skate but she can’t do it any longer.
6. We ___couldn't_____ open the door: it was locked from the inside!
7. In 1990, people ___could_____  watch TV.
BTVN
8. Mary’s grandfather ________ play chess and he was the best!
9. In1945, people ________ play video games.
10. But the ________ play chess!
11. Peter ________ play tennis last Monday: he had broken his arm!
12. When Ann was teenager, she ________ watch a horror film: it was too frightening for her!
13. Last Sunday, we ________ take any photos in the museum: it was forbidden.
14. Mozart ________ play the piano when he was 5.

6. ‘Hello, ____ I help you?’ ‘Actually, no you ____ this restaurant is awful and we’ve been waiting here for half an hour. We’re leaving’.

A. can/can’t B. can’t/can

7. I have a special talent, I ____ touch my nose with my tongue ____ you?

A. can/can B. can’t/can’t

8. ‘ ____ I go to the bathroom please?’ ‘Yes, of course you ____’.

A. Can/can’t B. Can/can

9. Look! It’s right there! ____ you see it? It’s so obvious!

A. Can B. Can’t

10. I’ve never been able to eat breakfast in the mornings. I ___ talk to anyone either!

A. can B. can’t