例如 I could sing and dance at the age of five
但是,也有特殊的在could后面带to,但这不是could后面加to的用法
He did all he could to save the child.
这里he could是做all的定语,后面的to do sth是句子的目的状语
匿名回答于2023-09-15 03:34:55
