byrd know that he would be able to reach the South Pole whic

byrd know that he would be able to reach the South Pole which was 300miles away
这里的be able to 可以换成could吗如果不能为什么

o13155 1年前已收到2个回答举报

weidadeniutou 春芽

共回答了17个问题采纳率：100% 举报

不能
前面已经有一个动词would

1年前追问

o13155 举报

其实你没懂，因为be able to可以表示将来时而can则不成立

举报 weidadeniutou

呵呵，那你懂，你为什么还要提问？既然可以看出来前面有WOULD 后面根本就不可能再接动词不定式。非要哪里麻烦找哪？

你的这种态度很好知其然，知其所以然

但是做题讲究效率

懒人论语幼苗

共回答了6个问题举报

不能，would和could都为情态动词，一句话中只能要一个情态动词

1年前

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