1704940966
1704940967
但这类句子变为被动结构时,不定式的to不能不要:
1704940968
1704940969
They were made to work day and night.他们被迫日夜干活。
1704940970
1704940971
She was often heard to sing this song.人们常常听到她唱这首歌。
1704940972
1704940973
作状语,可表示目的、结果、原因等:
1704940974
1704940975
They ran over to welcome the delegates.他们跑过去欢迎代表们。(目的)
1704940976
1704940977
What have I said to make you so angry?我说了什么话使你这样生气?(结果)
1704940978
1704940979
We jumped with joy to hear the news.听了这消息我们高兴得跳了起来。(原因)
1704940980
1704940981
在某些作表语的形容词后也可用不定式作状语:
1704940982
1704940983
I’m sorry to hear it.听了这我很难过。
1704940984
1704940985
She was surprised to find him there.她发现他在那儿很吃惊。
1704940986
1704940987
We are eager to take part in the work.我们急于参加这项工作。
1704940988
1704940989
能跟不定式的这类形容词很多,常用的如:
1704940990
1704940991
able angry anxious apt ashamed careful clever considerate content cruel delighted destined disappointed eager fit foolish fortunate frightened glad grieved happy impatient inconsiderate lucky naughty quick pained prompt proud ready right rude shocked slow sorry surprised thoughtless unable unfortunate unwise willing worthy wrong 另外,不定式还可用作状语,修饰整个句子:
1704940992
1704940993
To be frank, we don’t trust him.坦率地说,我们不信任他。
1704940994
1704940995
To tell you the truth, I don’t like the idea.说老实话,我不喜欢这个想法。
1704940996
1704940997
作定语:
1704940998
1704940999
I have a lot of things to do tonight.今晚我有很多事要做。
1704941000
1704941001
Let’s get something to drink.咱们去找点儿饮料喝。
1704941002
1704941003
There is nothing to be worried about.没有什么值得发愁的。
1704941004
1704941005
有很多名词后面可以跟不定式作定语,如:
1704941006
1704941007
ability ambition anxiety attempt campaign chance courage decision determination drive eagerness effort inclination intention movement need opportunity plan promise reason right struggle tendency time way wish I don’t have many chances to talk to him.我没有很多机会和他讲话。
1704941008
1704941009
There is no need to worry.没有必要发愁。
1704941010
1704941011
It’s time to wake him up.该叫醒他了。
1704941012
1704941013
作主语:
1704941014
1704941015
To see is to believe.眼见为实。
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