摘要:考点3.助动词助动词本身没有次词义.不能单独做谓语.只能和主要动词一起构成谓语动词.表示否定.疑问.时态.语态等语法形式.或用来加强语气.常用的助动词有be, do/does/did , have/has/had ,shall / will,would/should等.助动词用 法示 例 Be助动词be+现在分词构成进行时态We’re having an English lesson.She was writing when I left.助动词be+过去分词构成被动语态English is spoken by many people.

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