A. comingB. cameC. come D. being come
Key: B
4）动名词在need，want，require，be worth后接宾语，常以主动形式来表示被动意义.
cf. be worthy of being done/ to be done
This book is worthy of being read / to be read.这本书值得一读。
need/ want/ require doing sth / to be done (需要做…)
eg. My bike needs repairing / to be repaired.
5）permit, allow, forbid, require(要求)doing sth./ sb to do sth.
跟人作宾语后，必须用不定式作补语。例如：
This room won’t allow smoking.在这间屋里不准吸烟。
We do not allow anybody to smoke here.这里不许吸烟。
例：
—What do you think of the book？
-Oh，excellent．It\'s worth ___a second time．
A．to read B．to be read
C．readingD．being read
Key: C
6)有些动词后可跟不定式和v-ing形式作宾语，意义差别不大。
1）在like, love, hate, prefer等动词后，v-ing形式表示经常性、概括性的动作，不定式表示具体的、特定的某一次动作。如：
She likes singing, but she doesn’t like to sing today．
7)在begin, start, continue后跟v-ing形式和不定式作宾语没有区别，但start，begin本身为进行式或后接realize, wonder, understand等心理
活动的词时，常用不定式作宾语。如：
I began to realize that I was wrong．
3．动名词的时态和语态
动名词有一般式和完成式。它的一般式所表示的动作或是与句中谓语动词的动作同时发生，或是在句中谓语动词动作之后发生；而它的完成式所表示的动作则一般发生在句中谓语动词动作之前。
例1：While shopping，people sometimes can\'t help ____ into buying something they don\'t really need．（1996上海）A．to persuade B．persuading C．being persuaded D．be persuaded
解析：答案C。根据句意，can\'t help是“抑制不砖、“情不自禁”的意思。其后应接动名词作宾语。在此句中， people与persuade之间是动宾关系，所以应用动名词的被动式。
例2:Tony was very unhappy for ____ to the party．（2000上海）
A．having not been invited B．not having invitedC．having not invited D．not having been invited
解析：答案D。动名词的否定式作介词的宾语。由于 Tony未被邀请在先，不高兴在后，所以采用了完成式的形式。
4．动名词的复合结构
动名词的复合结构在句中作宾语时，名词可用普通格代替所有格，代词可用宾格形式代替形容词性物主代词。eg.
I don’t like you/ your/ Tom / Tom’s being late.但是动名词作主语时，只能用your / Tom’s being late形式。
例:What worried the child most was ____ to visit his mother in the hospital．（1998上海）
A．his not allowing
B．his not being allowed
C．his being not allowed
D．having not been allowed
解析：答案B。动名词复合结构的否定式应把否定词not放在物主代词之后、动名词之前。child和allow之间为动宾关系，所以就用其被动式。
几个重要的句型：
1.There is no use / good doing sth.
2.There is no + 动名词
There is no joking about such matter.这事开不得玩笑。
三. 用to do而不用v-ing作定语的情形
一)所修饰的词为desire, effort, failure, promise等
She made a promise to come and help us．
二)所修饰的名词前有the first／last／next， the only和the best，the most等序数词或形容词最高级修饰语.
Who was the last one to leave the room last night﹖
She is always the first to get to work．
三)所修饰的名词与定语间有动宾关系
I have some clothes to wash tonight．
She gave him a piece of paper to write on．
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