2016-2017学年人教版必修三 Unit 1 Festivals around the world Grammar课件 (22张)-302edu教育资源网

can, could 和be able to的用法

She can/is able to sing the song in English. This machine can make you feel comfortable.

1.can, be able to都可表示“能力”

Can的主语是人或物,be able to的主语是人

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