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【精选】备战2019年高考英语 考点一遍过 考点16 动词不定式(含解析)练习

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【精选】备战2019年高考英语 考点一遍过 考点16 动词不定式

(含解析)练习16动词不定式

高考频度:★★★★★

动词不定式 定义 动词不定式是非谓语动词的一种,由不定式符号to+do构成。没有人称和数的变化,在句子中不能作谓语,但可做主语、表语、宾语、状语和宾语补足语,具有名词、形容词和副词的特征。动词不定式仍保留动词的一些特点。 时态 一般式 形式 完成式 进行式 完成进行式 否定式 考向一 不定式的作用

1. 作主语:不定式作主语时,谓语用单数。往往用it 作形式主语,把不定式放在谓语后

面。

It took us two hours to finish the job.

主动 to do to have done to be doing to have been doing 否定词(not/never) 被动 to be done to have been done ---- ---- +动词不定式 (1)其他系动词如look,appear等也可用于此句型。 (2)当不定式作主语的句子中又有一个不定式作表语时,不能用It is ...to...句型。试比较: It is to negate my own idea to believe him.(错) To believe him is to negate my own idea .(对) (3)It is+ adj. of / for sb to do sth结构中,当不定式的逻辑主语和前面的形 1 / 14

容词可以构成系表结构时,用of,否则用 for。 2. 作宾语 (1)动词+不定式。

?He managed to escape from the fire.

?I find it hard to get along with him.(it 作形式宾语) (2)动词+疑问词+to,"特殊疑问句+不定式"相当于名词,作宾语。

?I don’t know what to do next/ how to do it next.

不定式短语作宾语时,如果还带有宾语补足语,往往把不定式短语放在宾语补足语之后,用it 作形式宾语。

?I find it necessary to learn a foreign language. 3. 作宾语补足语

(1)动词+宾语+不定式(to do )。

?He warned me to be careful.

注意:可以用动词不定式作宾补的动词有:ask,tell,order,want,get,would like,

like,advise,invite,allow,help,wish,warn,expect,would prefer,encourage。

(2)表见解、看法的动词结构可为:动词+宾语+ to be 的不定式结构。

?We consider Tom to be one of the best students in our class. The book is believed to be useful.(被动语态) (3)There +不定式。

We didn’t expect there to be so many people there. 我们没料到会有那么多人在那里。

有些动词需用 as 短语作补语,像regard,think,believe,take,consider。 ?We regard Eric as our best teacher. 我们认为艾瑞克是我们最好的老师。 ?Mary took him as her father. 玛丽把他当作自己的父亲。 (4)在动词feel (一感),hear, listen to(二听),have, let, make(三让),notice, see, watch, observe, look at(五看)(即:吾看三室两厅一感觉)等后面的补足

2 / 14

语中,不定式不带to,但变为被动语态后,必须带to。

?They saw the boy fall off the tree.

(5)help后面作宾语补足语的不定式可以带to,也可以不带to。

?I often help him (to) clean the room. ?I helped him (to) find his things.

1. (2018·新课标III卷·语法填空)Once his message was delivered, he allowed me ____70____ (stay)and watch. 【参考答案】

【答案解析】考查非谓语动词。此处allow sb to do允许某人做某事,动词不定式作宾补,应该用to stay。

2. (2018·天津卷·单项填空) I need a new passport so I will have to have my photographs___________. A. taking

B. taken

C. being taken 【参考答案】B

D. take

3.(2017·新课标卷I·语法填空)Fat and salt are very important parts of a diet.

They are required 63 (process) the food that we eat, to recover from injury and for several other bodily functions. 【参考答案】to process

【答案解析】考查不定式。句意:他们被要求加工食物。require表示"要求",require sb. to do sth.表示"要求某人做某事",被动形式为"sb. be required to do sth."(某人被要求做某事)。故填to process。 4. 作定语

不定式作定语,修饰名词或代词,不定式和它所修饰的名词之间有逻辑上的主谓关系、动状关系、同位关系或动宾关系。不定式通常要放在这些被修饰的词后。

I have a lot of work to do.(动宾关系)

3 / 14

【精选】备战2019年高考英语 考点一遍过 考点16 动词不定式(含解析)练习

【精选】备战2019年高考英语考点一遍过考点16动词不定式(含解析)练习16动词不定式高考频度:★★★★★动词不定式定义动词不定式是非谓语动词的一种,由不定式符号to+do构成。没有人称和数的变化,在句子中不能作谓语,但可做主语、表语、宾语、状语和宾语补足语,具有名词、形容词和副词的特征
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