初三英语上册知识点:动词不定式.doc
《初三英语上册知识点:动词不定式.doc》由会员分享,可在线阅读,更多相关《初三英语上册知识点:动词不定式.doc(6页珍藏版)》请在三一文库上搜索。
1、初三英语上册知识点:动词不定式一. 定义:动词不定式是非谓语动词的一种,它没有人称和数的变化,在句子中不能独立作谓语,但它仍保持动词的特点,既可以有自己的宾语和状语。同时动词不定式又具有名词、形容词、副词的特征,在句中可以作主语、表语、宾语、宾语补足语、定语和状语。二. 动词不定式的构成:to+动词原形三. 动词不定式作宾语后面能接不定式作宾语的动词有:agree, ask, choose, decide, forget, hope, learn, want, wish, would like等。We hope to get there before dark. 我们希望天黑以前到那儿。The
2、 girl decided to do it herself. 那个姑娘决定自己做那件事。动词不定式作宾语的注意事项(2点)1. 有些动词既可跟不定式作宾语,也可跟动名词作宾语,但含义不同:remember to do 记住要做某事remember doing 记得曾经做过某事forget to do忘记要做某事forget doing 忘记曾经做过某事stop to do 停下来去做某事stop doing 停止做某事go on to do 继续做另一件事go on doing 继续做原来在做的事I remember seeing you somewhere before.我记得以前在哪儿见
3、过你。Please remember to turn off the light when you leave.离开时请记得关好灯。2. 不定式作宾语时,如带有宾语补足语,则要把不定式放到后面,用it作形式宾语,构成“主语+动词+it+宾补(形容词、名词)+不定式”结构。如:He found it very difficult to get to sleep.他发现很难入睡。四. 动词不定式作宾语补足语1. 后面能接to不定式作宾语补足语的动词有:ask, order, teach, tell, want, wish, help等。The teacher told us to do Exerc
4、ise 1. 老师要我们做练习一。I want both of you to go. 我要你们俩去。We helped her (to) repair her bike. 我们帮助她修理自行车。2. 使役动词let, have, make及感官动词see, watch, notice, hear, feel等要以不带to的不定式作宾补。Lets have a rest. 我们休息一会吧。I saw him come in. 我看见他进来了。感官动词后既可跟不带to的不定式作宾补,也可跟v-ing作宾补,前者表示动作的全部过程已结束;后者表示动作正在进行。I saw him come downs
5、tairs.我看见他下了楼。(说明他下楼了这件事)I saw him coming downstairs.我看见他在下楼。(说明他下楼时的情景)五. 动词不定式作状语Later he left home to work in different cities. 不久他离开家到不同的城市工作。He went to see a football match. 他去看足球比赛了。In order to catch the other students, I must work hard.为了赶上其他同学,我必须努力学习。六. 动词不定式作定语不定式作定语一般放在所修饰的词的后面。I need som
6、ething to eat.Do you have something to read?Tom was so excited that he had no word to say.He is really a fool only to eat.The man to stand here just now is our English teacher.The doctor had no way to save the patient.注意:(1)作定语的不定式是由及物动词组成,被修饰的名词或代词与不定式之间存在方位或方式关系需要有介词。I am looking for a room to liv
7、e in. 我正在找一间住房。(方位关系)We have many things to do experiments with.我们有许多做实验的东西(方式关系)(2)作定语的不定式是由“be + adj + prep”构成的动词短语。Here there isnt any book for me to be interested in.We have done many things to proud of. 我们做了许多引以自豪的事。七. 动词不定式作主语To give is better than to receive.To reach there on foot is impossib
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 初三 英语 上册 知识点 动词 不定式
链接地址:https://www.31doc.com/p-4028611.html