初中英语语法之动词不定式
动词不定式(to+动词原形)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。下面是小编给大家带来的初中英语语法之动词不定式,欢迎大家阅读参考,我们一起来看看吧!
初中英语——动词不定式
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 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
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。
初中英语——动词不定式
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 Exercise 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。
Let‘s 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 downstairs.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)
初中英语——动词不定式
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。
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 something 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 live 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 isn‘t any book for me to be interested in. 这儿没什么书能引起我的兴趣。
We have done many things to proud of. 我们做了许多引以自豪的事。