Can vs Could

I know how to speak English and German.

I ….. speak two languages.

• can

• could

• can't

• couldn't

(A) Can he swim?

(B) Yes, he ….

• can

• could

• can't

• couldn't

John ........ already hum a tune when he was two years old.

• can

• could

• can't

• couldn't

Jay ........... no longer stand the noise from the next door and had decided to complain to the police.

• can

• could

• can't

• couldn't

If not for the meeting which ended late, Nancy ......... have join us for dinner.

• can

• could

• can't

• couldn't

You ......... pass the tickets to me as I know friends who may be interested in the show.

• can

• could

• can't

• couldn't

Patrick .........stand his manager's temper anymore and decides to quit his job.

• can

• could

• can't

• couldn't

She ......... complete all the questions in time, thus, did not get full marks for her math test.

• can

• could

• can't

• couldn't

The audience is amazed that the clown ............. juggle eight balls at one time.

• can

• could

• can't

• couldn't

No matter how hard I tried, I ............ see the number hiding in those dots.

• can

• could

• can't

• couldn't