1.表示能力，"can"译为"能；会"

例句：I can speak English.

2.表示可能性，"can"译为"可能；会"

例句：Can you sing?

3."can"用在肯定句中：主语＋can＋动词原形。例句：I can play the guitar.

I can join the music club.

4."can"用在一般疑问句中：Can＋主语＋动词原形