非谓语动词用法归纳(非常齐全)(4)

2020-06-03 11:09

作宾语补足语,此外find, catch, keep, have 也可以用现在分词作宾语补足语。

he was caught stealing. i’m sorry to have kept you waiting for such a long time.

(注): ①上述感觉动词与使役动词转换为被动结构时.其后的不定式一般需带to,如: he was seen to come.

the boy was made to go to bed early.

②在动词find与help之后,不定式可带to亦可不带to,如: he was surprised to find the sheep (to) break fence at this season.他发现羊在此季节越出栅栏,感到惊讶。

3)在do nothing/anything/everything but(except)结构中。例如:

last night i did nothing but watch tv.昨天晚上,我除了看电视别的什么也没有干。

但是,如果谓语动词不是“do nothing,anything,everything”,那么but(except)所跟的不定式则仍须带。

the doctor told him nothing but to stop smoking.医生除了让他戒烟,其它什么都没有说。

there was nothing for them to do but to remain silent.除了保持沉默以外,他们没有别有别的办法。

6.不定式和分词作状语的区别

(1)现在分词与过去分词作状语的区别。

现在分词做状语与过去分词做状语的最主要区别在于两者与所修饰的主语的主动与被动关系的区别。分词作状语 1.分词作状语的基本原则

分词作状语时,分词的逻辑主语必须与句子的主语保持一致。 分词作状语必须和句中主语含有逻辑上的主谓或动宾关系,否则不能使用分词作状语。 2.分词作状语的句法功能

分词或分词短语作状语时,可以表时间、原因、结果、条件、让步、行为方式、伴随状况等。表示时间关系的分词短语有时可由连词while 或when 引出。

1)现在分词作状语时,现在分词的动作就是句子主语的动作,它们之间的关系是主动关系。

he went out shutting the door behind him. 他出去后将门随手关上。

not knowing what to do, he went to his parents for help. 由于不知如何办是好,他去找父母帮忙。

2)过去分词作状语时,过去分词表示的动作是句子主语承受的动作,它们之间的关系是被动关系。

given more attention, the trees could have grown better. 如果对这些树多关心一些,它们本来会长得更好。

faced with difficulties, we must try to overcome them. 在遇到困难的时候,我们必须设法克服。 (2)动词不定式和分词作状语的区别

1)分词作状语一般表示伴随,而不定式常常表示目的。

they stood by the roadside talking about the plan.他们站在路边谈论着这个计划。(伴随)

they stood by the roadside to talk about the plan.他们站在路边为的是谈论这个计划。(目的)

2)分词作状语放在句子开头,除表示原因之外有时表示时间或条件。动词不定式作状语时,除了表示目的以外,还表示结果或原因。

reading attentively,he forgot the time for lunch.由于在专心读书,他忘了吃午饭的时间。(原因)

reading carefully,he found something he had not known before.他仔细读书时,发现了一些从前不知道的东西。(时间)

reading carefully,you'll learn something new.只要你仔细阅读,你会学到一些新的东西。(条件)

his family was too poor to support him.他的家庭太穷,不能维持他的生活。(结果)

we are glad to hear the news.我们很高兴听到这消息。(原因) (3)下面一些句型是不定式做状语时候应该注意的:

a:not/never too…to, too…not to , but/only too… to, too ready/eager/apt/inclined to 表示肯定意义

b:做结果状语的不定式只能出现在句子的末尾,常见的不定式动词有:find, hear, see, be told, form, give, make, produce 等。 c:不定式做状语时,其逻辑主语一般为句子的主语,否则用for引导主语。

7.非谓语动词常考的其它结构 (1)疑问词+不定式结构

疑问词who,what,which,when,where和how后加不定式可构成一种特殊的不定式短语。它在句中可以用作主语、宾语、表语和双重宾语。如:

when to start has not been decided.何时动身尚未决定。(主语) i don't know what to do.我不知道该怎么办。(宾语)

the difficulty was how to cross the river.困难在于如何过河。(表语)

i can tell you where to get this book.我可以告诉你哪里可以买到此书。(双重宾语)

注)a.有时疑问词前可用介词,如:

i have no idea of how to do it.我不知道如何做此事。

b.动词know 后面不能直接跟不定式作宾语,只能跟疑问词(如:how, what)+不定式:

(2)介词except和but作“只有…,只能…”讲时跟不定式结构(but与不带to的不定式连用)。

when the streets are full of melting snow, you cannot help but getting your shoes wet.

(4)不定式----动名词----的逻辑主语

1)不定式的逻辑主语为:for +名词(或代词宾格)+ 不定式(作状语)。例如:

i found it impossible for him to do the job alone.我发现他—个人干这活是不可能的。

(注)在表示人物性格、特性等的形容词后面,常用of引出不定式的逻辑主语。这类词主要有:absurd, bold, brave, courageous, careful, careless, clever, wise, foolish, silly, stupid, good, nice, kind thoughtful, considerate, greedy, generous, honest, modest, polite, rude, cruel ,selfish, wicked, wrong等

it is very kind of you to help me.你帮助我太好了 it was wise of him to do that.他那样做是明智的。

2)动名词的逻辑主语为;①人称代词的所有格+动名词(作主语);②名词's+动名词(作主语)。例如:

his arriving added to our difficulties. my brother’s telling lies made me very angry.


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