文档介绍:初三英语上册《动词不定式》知识点人教版初三英语上册知识点
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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。
: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 。
The girl decided to do it 。
动词不定式作宾语的注意事项(2点),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 继续做另一事
go on doing 继续做原来在做的事
I remember seeing you somewhere 。
Please remember to turn off the light when you 。
,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 。
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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
。
I want both of you to 。
We helped her (to) repair her 。
,
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 。
I saw him e 。
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 e 。
(说明他下楼了这事)I saw him ing 。
(说明他下楼时的情景)
he left home to work in different