单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级助动词 1)协助主要动词构成谓语动词的词叫助动词被协助的动词称作主要动词助动词自身没有词义不可单独使用例如: He doesnt like English. 他不喜欢英语(doesnt是助动词无词义like是主要动词有词义)2) 助动词协助主要动词完成以下功用可以用来: a. 表示时态例如: He is singin
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Be: 1. the progressive aspect: . I am waiting for a reply. They were hunting for jobs. What have you been doing since 2. passive voice
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助动词和情态动词 加强陈述句和祈使句的语气 I do work hard Do be careful 用于避免主要动词的重复出现 Do you smoke Yes, I do I went to the concert yesterday So did he 构成倒装句 Never did he go there again Only then did I understand what she
目录 TOC o 1-3 h z u l _Toc320954286 目录 PAGEREF _Toc320954286 h 1 l _Toc320954287 助词和助动词 PAGEREF _Toc320954287 h 1 l _Toc320954288 一助词 PAGEREF _Toc320954288 h 1 l _Toc320954289 1.分类
助动词 Auxiliaries动词表示动作形态但英语里有些动词并不表示动作形态而是协助主动词表示时态(tenses)或语态(voices)这些动词叫助动词(auxiliary verbs) 英语中助动词主要有三类:一是基本助动词如have do be二是半助动词 如 be about to等三是情态助动词如may must need等基本助动词助动词可表示动词时态和语态构成疑问句和否定句例如 h
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1. Be动词的用法(1) 助动词be和现在分词一起构成进行时或完成进行时如:He is reading. 他在读书Ill be waiting for you there then. 我到时在那儿等你(2) 助动词have与been现在分词构成各种完成进行时态如:I have been washing the clothes the whole morning.整个上午我都在洗衣服Lambert
一.?用is??am?are???do??does??来填空?1.?He?_____?from?a?small?town?in?North?China.? 2.?They?____?kind?to?us?.?3.?I?_____?interested?in?playing?football.? 4.?_____?you?like?swimming??5.?_____?he?go?t
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