情态动词can的用法

2025-03-03 21:30:47
推荐回答(2个)
回答1:

can表示体力、脑力方面的能力或客观的可能性。口语中, 在询问或说明一件事可不可以做时,常用“can”代替“may”。情态动词“can”的过去式是“could”,否定式是“cannot”通常缩写成“can’t”,“could”的否定式是“could not”,通常缩写成“couldn’t”。如:Can I help you?(要帮忙吗?)/ He can swim.(他会游泳)/ That can’t be Mr Li.(那不可能是李先生)

回答2:

1,表能力。he can sing in English.
2。表理论上的可能性 Everyone can make mistakes in his life.
3。表推测。 This jacket can't be Tom's because his is black.
4.表许可 can I sit here . yes ,you can.
you can go home when you finish your work.