= The boy is too young to go to school.
④形容词(happy, glad, lucky, fortunate, surprised, angry, anxious, ready, quick, slow, cruel, clever等)+ 不定式结构
eg. Im glad to meet you.
The question is different to answer.
He is hard to get along with.
7. 作插入语,用来说明说话人的态度、看法、对整个句子进行解释,如to be frank(坦白地说),to be sure(确实)等。
Eg. To tell you the truth, I hate you.
8. 作同位语
eg. The order to start the general attack soon came.
不定式的复合结构,以it为形式主语或形式宾语引导的复合结构,如果其前的形容词是指行为的性质就用:for sb. to do sth.这种复合结构在句中可作主语、表语、宾语、定语、状语等。
It is necessary for me to learn English well.
如果该形容词是指行为的性质,同时又指行为的人,则用of sb. to do sth.。这种句式中的常用形容词有:right, wrong, brave, careful, careless, clever, wise, stupid, cruel, foolish, good, honest, kind, nice, silly等。
eg. Its very kind of you to come to see me.
连接代(副)词+不定式(包括whether, what, which, whom, where, when, how, 不包括why),在句中起名词的作用,通常跟在诸如tell, know, show, decide, learn, wonder, explain等动词后作宾、主语或表语。
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2016-02-29
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