本身有一定的意义,但不能独立作She can speak English . 谓语,只能和主要动词一起构成谓Can, may, must, May I speak to Ann, 情态动词(Modal Verbs) 语动词,表示说话人的语气和情should, need, dear, please、 态。情态动词没有人称和数的变shall, will, have to … We must go now . 化。 注:动词(除情态动词,只有原形和过去式)有原形、第三人称单数、动词-ing、动词过去式、动词过去分词五种形式。(八)介词
1.介词的种类:
○1 简单介词:in, at, of, from, since, around, to … ○2 合成介词:onto, into, without, upon, within … ○3 短语介词:because of, in front of, according to … ○4 分词介词:regarding, following, concerning … 2.介词短语在句子中的作用:
○1 作定语。I know the answer to the question .
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○2 作状语。The children are playing basketball in the playground . ○3 作表语。Mike is in the classroom .
○4 作宾语补足语。He found himself in the middle of the river . ○5 作主语补足语。Tom was seen inside the cinema . 3.常用介词的基本用法:
○1 表示时间的介词(at, in, on, for, since, after, by, during, before, from, to, until, within …) ○2 表示位置,方位的介词(in, at, on, to …) ○3 表示交通方式的常用介词(by, on, in …)
○4 其他一些词组搭配介词(be angry with/at/about sb/sth . be strict with/in/ sb/sth …)
(九)连词
1.并列连词:
○1 表联合关系连词。(and, or, but, for, not only…but also, as well as, both…and…, neither…nor .) ○2 转折连词。(but, while, yet, however .)
○3 选择连词。(or, or else, either…or…, otherwise .)
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2.从属连词:
○1 引导主语从句、宾语从句和表语从句的连用,主要有三个:that, whether, if . I hear that he is a student . ○2 引导状语从句的从属连词:
A. 连接时间状语从句:when, before, after, while, as soon as, since, until, as, whenever, ever since … B. 连接让步状语从句:although, though, even if, however … C. 连接原因状语从句:as, because, since, now that, for … D. 连接目的状语从句:that, so that, in order that … E. 连接条件状语从句:if, unless, once, in case … F. 连接结果状语从句:so…that, such…that … G. 连接方式状语从句:as, as if, as though … H. 连接地点状语从句:where .
I. 连接比较状语从句:as, as…as, not as/so …as, than …
(十)非谓语动词
1.定义:动词除在句子中作谓语以外,还具有名词、形容词及副词的性质,在句中可作主语、表语、宾语、定语、状语和补语等,
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这就是动词的非谓语动词。可分为三种:动词不定式、分词和动名词。
2.动词不定式:to + 动词原形(在某些情况下可以不带to )。(没有人称和数的变化,可以有自己的宾语和状语,可以有时态
前就发生)
和语态的变化)
1 一般式:主动语态:to do , 被动语态:to be + 动词过去分词 (表示动作或状态与谓语动词的动作或状态同时发生或之
后发生)
2 进行式:主动语态:to be doing , 被动语态:无 (表示动作或状态与谓语动词的动作或状态同时发生)
3 完成式:主动语态:to have +动词过去分词,被动语态:to have been +动词过去分词 (表示动作或状态在谓语动作之4 用法:
A. 作主语:To learn a foreign language is not easy . = It’s not easy to learn a foreign language . B. 作表语:The most important thing is to finish the work on time . C. 作宾语:
a. 动词+to do . He decided to buy a new watch . (agree, choose, want, hope, like, wish, learn, love, plan, try, start, afford …)
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○ ○ ○ ○
b. 动词+疑问词+to do I don’t know where to put the bike .
c. 动词+形式宾语(it)+宾补+to do I find it important to learn a second foreign language . D. 作补语:
a. 动词+宾语+to do Tom asked me to show him the new shoes . (tell, wish, ask, want, like, beg, invite, allow, encourage…)
b. 动词+宾语+不带to的动词 He often saw Tom play football .(see, hear, feel, watch, notice, have, make, let…)
E. 作状语:
a. 表示目的:He went to Guangzhou to see his sons . He got up early in order to catch the first bus . b. 表示结果:He is too tired to walk any farther . They aren’t old enough to go to school . c. 表示原因:He is sorry to hear that . I am glad to see you .
F.作定语: I have something to tell you . I want to buy something to eat . ○5 动词不定式to 的省略:
A. 在感官动词feel, hear, see, watch, notice 及使役动词have, let, make等后面要省to,但在变被动语态时要还原不
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