文档介绍：主语
It is very important to master a foreign language.
Reading newspapers can increase our knowledge.
Being admitted to Harvard University is an honor.
It is no use/good/useless doing
It is fun/ a waste of time doing
There is no need to do/ no doubt that /no point in doing
There is no joking about such matters. 这种事是不能开玩笑的。
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宾语
(1)有些动词只要求动词不定式作宾语，如want, decide, learn, pretend, hope, expect, refuse, manage, long, promise, offer, hate
(2) 要求用动名词作宾语，常见的这类动词有
admit, advise, appreciate, avoid, consider, confess, delay, deny, enjoy, escape, excuse, envy, fancy, favor, finish, forbid, imagine, include, involve, keep, mind, miss, mention, pardon, permit, practice, prevent, quit, resist, risk, stand, suggest, understand 等。
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动词不定式复合结构 It’s difficult for you to study English.
It’s nice of you to help me.
I feel it right to tell her the truth.
动名词复合结构
在句中作主语或宾语等由动名词的逻辑主语即物主代词或名词所有格+动名词短语构成
Their coming to help was a great encouragement to us
She insisted on me/my/her mother(’s) staying for lunch
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We considered/found him (to be ) dishonest. 我们发现他不诚实。
We all suppose him to be dead. 我们都以为他死了。
有些动词如consider, prove, know, feel, suppose, discover, imagine, find 等也可跟
“宾语 + to be”的形式，使用中应注意。例如：
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宾语补足语
有些动词如allow, advise, ask, beg, believe, call, cause, enable, encourage, get, invite, order, teach, tell 等后边常跟动词不定式作宾语补足语。
I invited him to come here.
He was invited to come here.
The teacher allowed me to finish my homework on Friday.
在make, let, have等使役动词后；在see, watch, look at, observe, feel, hear, listen to, notice等表示感官的动词后省去动词不定式符号“to”。但如这些词用被动，则带to
That made me quit.
He was heard to reject the suggestion.
1. 不定式作宾补
I was made to quit.
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2.-ing做宾补
, hear, find sb. doing等
，get, leave, keep, send, won’t have sb doing等
I found the man lying on the ground.
Tom kept us waiting in the wind.
The explosion sent us running in all directions.
I won’t have my children saying dirty wo