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寒假班Day1复习
感谢您能抽出几分钟时间来参加本次复习，现在我们就马上开始吧！
一般现在时的意义有：
一般现在时的句型结构：
三单主语有哪些？
Tom often does his homework after school.(改为否定句)
Tom often does his homework after school.(改为一般疑问句)
Tom often does his homework after school.(对does his homework 进行提问)
There be 句型的含义：
There be 句型的就近原则是什么意思？
