Could/ be able to

In the past, robots ...... teach in classes, but thay can now

• can

• won’t

• Could

• will be able to

• couldn’t

Mr Van ..... run very fast when he was young. Now he ....

• Could

• will be able to

• won’t

• will

Robots can't talk now. IN 2030, they .... talk to people

• can

• couldn’t

• will be able to

• Could

Chúng ta có thể dùng....... để diễn tả khả năng nói chung ở quá khứ.

• Cấu trúc will be able to (có thể sẽ)

• Cấu trúc Can (có thể/biết)

• Cấu trúc Could (có thể)

I was not appointed to be a tour guide because I ………….speak English at that time.

• could

• could not

• can

• was not able to

Despite yesterday’s snowfalls, we …………….arrive at school on time.

• could

• could not

• was able to

• were able to

At last, they ____ get through the mountain in such a heavy rain.

• was able to

• were able to

• could

• can

Despite the bad weather, he ____ get to the airport in time.

• can

• could

• could not

• was able to

IDENTIFY THE MISTAKE

She spoke in a very low voice, but I can understand what she said.

             A                           B       C                                  D

• A

• B

• C

• D

IDENTIFY THE MISTAKE

I used to be to stand on my head but I can’t be able to do it now

A                B                          C                   D

• A

• B

• C

• D