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1、初中化学（物理历史政治语文数学英语）知识点总结复习资料例句：a. Father will not allow us to play on the street.父亲不让我们在街上玩耍。b. We believe him to be guilty.我们相信他是有罪的。Find 的特殊用法：Find 后可用分词做宾补，或先加形式宾语，再加形容词，最后加带to 的动词不定式。find后也可带一个从句。此类动词还有get，have。I found him lying on the ground.I found it important to learn.I found that to learn En
2、glish is important.典型例题:The next morning she found the man _ in bed，dead.A. lying B. lie C. lay D. laying答案：A.find的宾语后面，用分词或分词短语，起宾语补足语作用。现在分词表达主动，也表达正在进行，过去分词表达被动。2) to + be 的不定式结构，作补语的动词。Acknowledge, believe, consider, think, declare(声称), discover, fancy(设想), feel find, guess, judge, imagine, know
3、, prove, see(理解), show, suppose, take(以为), understandWe consider Tom to be one of the best students in our class.我们认为汤姆是班上最好的学生之一。典型例题Charles Babbage is generally considered _ the first xxputer.A. to invent B. inventing C. to have invented D. having invented答案：A. 由consider to do sth. 排除B、D。. 此句只说明发明
4、这一个事实，不定式后用原形即可。而C为现在完成时，发明为点动词一般不用完成时，且此处也不强调对现在的影响，因此不选C。3) to be +形容词Seem, appear, be said, be supposed, be believed, be thought, be known, be reported, hope, wish, desire, want, plan, expect, meanThe book is believed to be uninteresting.人们认为这本书没什么意思。4) there be+不定式believe, expect, intend, like,
5、love, mean, prefer, want, wish, undrstandWe didnt expect there to be so many people there.我们没料到会有那么多人在哪里。注意 ： 有些动词需用as 短语做补语，如regard, think believe, take, consider.We regard Tom as our best teacher. 我们认为汤姆是我们最好的老师。Mary took him as her father . 玛丽把他当作自己的父亲。. 不定式作主语1） Its easy (for me) to do that.我做这事
6、太容易了easy, difficult, hard, important, possible, impossible, xxfortable, necessary, better;the first, the next, the last, the best, too much, too little, not enoughIts so nice to hear your voice.听到你的声音真高兴。Its necessary for you to lock the car when you do not use it.当你不用车的时候，锁车是有必要的。2) Its very kind o
7、f you to help us. 他帮助我们，他真好。Kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(考虑周到的), silly, selfish(自私的)例句:It was silly of us to believe him. 我们真愚蠢，竟然相信了他。It seemed selfish of him not to give them anything. 他不给他们任何东西，这显得太自私了。注意：1) 其他系动词如，look，appear等也可用于此句型2) 不定式作为句子成分时，动词用单数形式。3) 当不定式作主语的句子中又有一个不定式作表语时，不能用It is to的句型(对)To see is to believe. 百闻不如一见。(错)It is to believe to see.4. Its for sb.和 Its of sb.
