Can/ can't; could/couldn't

Front

You don't have to shout. I ______ hear you very well.

Back

can

Front

I ______ watch that show last night because I had to go out.

Back

couldn't

Front

He ______ play last week because he was injured.

Back

couldn't

Front

He eats in restaurants all the time because he _____ cook.

Back

can't

Front

I _____ give you a lift in my car because it isn't working.

Back

can't

Front

I ______ see the stage very well.

Back

couldn't

Front

John can do difficult sums in his head.

Back

can

Front

When Tom was 15, he ______ run 100 metres in 11 seconds.

Back

could

Front

I was very sick yesterday. I ______ eat anything.

Back

couldn't

Front

Can you speak up? I ______ hear you well.

Back

can't