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英语
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there (will be) serious air pollution if people use more and more cars.为什么用will be?
人气:492 ℃ 时间:2019-08-19 20:56:19
解答
条件状语从句,主将从现,从句if people use,用了一般现在时,主句必须用一般将来时,表示将来会有严重的空气污染
另外 there be结构是表示存在有的句式,即哪里有,be可以有时态的变化,一般将来时,be变为将来时的will be
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