can / can't, could / couldn't, have to / don't have to

I ___ play the guitar. I want to learn the drums next.

I _______ speak English last year. But now my best friend is from the USA.

She ___ dance very well. I enjoy dancing with her.

He isn't on the Olympics, because he _____ run very fast.

When I was young I _____ swim. But I learned last year.

My husband ____ dance salsa, swing and chachacha. It's very useful when we go out.

I could climb trees when I was young but I _____ now, I'm too old for that.

Do you _______ go to the doctor when you are sick?

• have to

• can

• couldn't

• cannot

When I was a kid I couldn't drink coffee. I ___ Now. I do it everyday.

• couldn't

• cannot

• could

• can

You ________ call me every day. It's not necessary.

• don't have to

• can't

• have to

• could