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If it doesn't rain tomorrow,I will go fishing.为什么要用doesn't而不用isnt
人气：222 ℃ 时间：2019-08-20 01:42:18
解答
同学,因为rain是动词,动词前只能用助动词逗 does,do,did ,而只有形容词等才能用Be 动词.这里如果要用isn't的话,可以把rain 改成rainy.希望对你有用.
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