非谓语动词考点易混点讲述.ppt

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非谓语动词考点易混点讲述

动词不定式 动名词 分词 。 一 .不定式 构成: to+动词原形 在句中作用:除谓语动词外的任何成分 It‘s useful to learn English well=To learn English well is useful. 句型 it+be+ adj+ of/for sb+to do sth. It is important for us to protect the environment. 不定式作主语 不定式作主语,常用it替代,而将真正主语放在末尾 注意:在kind, good, nice, clever等修饰人品质的时候介词用of It is kind of you to help me. 一些谓语动词后只能跟不定式,这类词表命令,打算或者希望的 如:would like, like, want, wish, hope, plan, expect. Would you like to see a film this evening? 不定式作宾语 在find,think后跟不定式作宾语,常用it替代,而将真正宾语放于句末。 I find it easy to learn English everyday. 常见的不带to的不定式 Why not do…,why don’t you do, had better (not) do Would rather do, could/would/will you (not) do 注意:一些使役动词和感官动词也用动词不定式作宾补,这时要 省略to. 这些动词有:一感(feel)、二听(hear, listen to)、三让 (let, make, have)、四看(look at, watch, see, notice) 。但变 为被动语态时要加上to. 常跟不定式作宾语补足语的有ask, want, help, wish, teach, encourage, invite, warn, allow等。 eg: My mother encourages me to learn Japanese. 不定式作宾语补足语(与宾语有逻辑上的主谓关系) eg: Lucy asked him to turn down the radio. 不定式作宾语补足语 eg: The teacher was saw to enter the office 作定语 (与宾语有逻辑上动宾关系): eg: There is nothing to worry about. 作状语(目的,结果,原因): eg: He opened the door for her to come in. 作表语(常在be动词后,可与主语互换): eg: His task is to learn hard = To learn hard is his task. 不定式作其他成分 疑问词+不定式(作主语或者宾语(可转化为宾语从句)) eg: can you tell me when to leave? = can you tell me when you will leave? 不定式的常见考点 Granny often tells us _ water in our daily life A. save B. saving C. to save D. saves It seems that it is going to rain. Youd better _an umbrella. A. take B. not take C. to take D. not to take Excuse me, Would you tell _ a map? where buy B. where to buy C. where can I buy D. how I can buy 动词后跟不定式还是动名词的搭配(放在易混点讲) 二.动名词 构成:动词原形+ing 用法:作主语、宾语、表语、定语 主语 宾语 表语 定语 eg: Eating much is bad for your health. 动词宾语:eg: I like playing basketball very much. 介词宾语:eg: The notebook is used for writing down notes. eg: His hobby is swimming. =swimming is his hobby. eg: she is in the re

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