把句子变成过去时态.1,He can piay basketball.____.2,He can't catch the ball._____.3,Can you work all day?_____.4,Mary can speak a little Chinese.______.5,They can't come here on Sunday.______.

问题描述:

把句子变成过去时态.
1,He can piay basketball.____.2,He can't catch the ball._____.3,Can you work all day?_____.4,Mary can speak a little Chinese.______.5,They can't come here on Sunday.______.

He could play basketball
He couldn't catch the ball
Did you work all day?
Mary could speak a little Chinese
They couldn't come here on Sunday