文档介绍：九、非谓语动词
(一)动词不定式
熟读深思
思考下列句中不定式所充当的句子成分,并注意常用的不定式有哪几种形式。
seemed to be 。
are all kinds of difficulties to be
。
’d like to make a
建议。
is of great benefit for all of us to
do morning exercises every
对我们大家都有益。
feels it a duty to help the disabled
in
残疾人。
want this letter to be opened now!我想
现在就将信拆开!
often goes back to her hometown to
visit her
她的祖父祖母。
often hear her sing in English.(比较:
She is often heard to sing in English.)我
经常听到她用英语唱歌。
归纳总结
一、不定式的时态

示的动作同时发生或在其后发生。

动作同时发生。

作之前。
二、不定式的语态

的主谓关系时,常用不定式的主动形式;不定
式和它修饰的名词或代词构成逻辑上的动宾关
系,又和该句主语构成逻辑上的主谓关系时,
不定式用主动形式;不定式作表语形容词的状
语,和句中主语构成逻辑上的动宾关系,不定
式用主动形式。

承受者时,一般用不定式的被动语态。
三、不定式符号to省略的若干场合
,hear,notice,watch,observe,
feel,look at,listen to和使役动词
have,make,let等后接不定式作宾补时,必须省
略不定式符号to;但在被动语态中则须加上to
(let除外)。
,except等表示“除了……”之意的
词前,若有实义动词do,介词后作宾语的不定
式常省略to;若无do,则to不能省略。
suggest doing it in a different
建议用另一种方法做这件事。
TV set needs
修理。
heard of his having been chosen to be
the coach of the
的教练。
question being discussed is very
。
went out of the classroom,talking
and 。
been shown around the lab,we were
taken to see the school
看了实验室之后,我们又被带去参观校图书馆。
felt my heart beating violently.
我觉得我的心在猛烈地跳动。
ing made everyone present
very ,使在场的每个人
都很失望。
having studied his lessons very
hard,he failed the
努力学****功课,他考试不及格。
归纳总结

词所有格或形容词性物主代词后加动名词,构
成动名词的复合结构。名词所有格或物主代词
即为动名词的逻辑主语,动名词复合结构常在
句中作主语或宾语。
I don’t like Tom’s (Tom) smoking in the
office.
我不喜欢汤姆在办公室吸烟。
ing late for class made the
teacher very angry.
他上课迟到,使得老师很生气。