题目内容
9.We'll go for a picnic if itdoesn't rain(not rain) tomorrow.分析 如果明天不下雨,我们将会去野餐.
解答 答案:doesn't rain.这里是if 所引导的条件状语从句,遵循主将从现的规则,根据not rain从句是一般现在时的否定式,rain是实意动词,主语是it三单,借助于does构成否定doesn't,后加动词原形rain,故答案是doesn't rain
点评 这里是通过句型先考虑所给词在空格处作什么成份,理解句意,然后采用适当的形式
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