知识点1:it用作形式主语特殊句式小归纳
it用作形式主语特殊句式小归纳
it用作形式主语有不少非常有用的句式，比如以下一些就值得注意：
1. 用于it seems (appears) that…句式。如：
It seems that he knows everything. 他好像什么都知道。
[1]seems,that,相关知识点It seems/appears that… （在某人看来）好像…… 此句中的it是主语，that引导的是表语从句。例如：It seems that he is lying. 看样子他好像是在撒谎。It appears to me that he never smiles. 看样子要下雨了。it's going to rain.
It appears that we may be mistaken. 看来我们可能弄错了。
但是，英语一般不说it looks that…，可改用it looks as if…。如：
[2]looks,as if,相关知识点It seems/looks as if ...句型结构分析语法讲解：句子成分、什么句型句法，怎么用什么意思 It seemed as if he had finished the work. 他似乎已经完成了这个工作。 It seemed as if he would never finish the work. 他似乎永远完成不了这个工作。
It looks as if we’ll be late. 我们似乎要迟到了。
2. 用于it happens (occurs) that…句式。如：
It happened that I was standing next to him when he collapsed. 他倒下的时候我恰巧站在他旁边。
[3]that,when,相关知识点that还是when选A，which 在定语从句中用作动词 bought 的宾语。(2) Our company will move to a tall building _______ has just been complete.A. which B. when C. how D. where选A，which 在定语从句中用作主语。(3) Our company will
It didn’t occur to him that she would refuse his invitation. 他没有想到她会拒绝他的邀请。
[4]invitation单词记忆法◆记忆方法一：联想方式：in里；vent闷头；or人记忆方法：发明家就是在实验室里闷头苦干的人◆记忆方法二：invitation n. 邀请,招待解析：来源于动词invite 邀请inviting a.诱人的
3. 用于it follows that…句式。如：
He is wrong, but it does not follow thatyou are right. 他错了，但并不能由此推断你是对的。
She’s not in the office but it doesn’t necessarily follow that she’s ill. 她不在办公室, 并不见得就是病了。
知识点2:it用作形式主语代替动名词主要用于哪些句式
[5]动名词,名词,相关知识点用for表示目的时，其后面只能接名词，而不要接动名词。［误］ I wanted to go to the pub for having a drink.［正］ I wanted to go to the pub for a drink.［正］ I wanted to go to the pub to have a drink.［析］ 用for表示目的时，其后面只能接名词，而不要
It’s good hearing English spoken. 听到人讲英语，我很高兴。
It’s terribly tiring working late like this. 这样干到深夜是非常累人的。
3. it is worth while doing sth。如：
[6]while,worth,相关知识点关于 worth while 的用法4. worth (one’s) while 后可接不定式或动名词。如：It is worth your while to visit the museum. 这个博物馆值得你去看看。It is worth while discussing [to discuss] the question again. 这个问题值得再讨论一次。在这类句型中
It’s worth while doing the work. 这项工作值得做。
Do you think it’s worth while quarrelling with me? 你认为和我吵值得吗?
4. 其他句式。如：
It doesn’t matterwasting a little money. 浪费一点钱没有关系。
It felt funny being dressed like a peasant girl. 打扮成村姑感到有点怪怪的。
What’s it like being married? 结婚是什么味道。
it相关单词意思与记忆法：
it单词意思解释释义：
pron. 它【计】 信息论, 输入终端, 智能终端, 内捕获相关词组: not in it with it It is...that that's it lord it over others fight it out go it alone as it is as it was as it were
it单词相关例句：
To travel through the world it is necessary to have the mouth of hog, the legs of a stag, the eyes of a falcon, the ears of an ass, shoulders of a camel, and the face of an ape, and overplus, a satchel full of money and patience. 周游世界须有猪嘴巴，鹿的腿，鹰的双
HAPPINESS——A lifetime of happiness ! No man alive could bear it ; it would be hell on earth .(G. Bernard Shaw ,British dramatist )终身幸福！这是任何活着的人都无法忍受的，那将是人间地狱。(英国剧作家 肖伯纳. G.)
What weakness is it that you can never tolerate?---Sycophancy and servile flattery. 你最不能容忍的缺点是什么?----奴颜婢膝.
Command your man and do it yourself. 要求部下做到,自己也要做到.
How sharper than a serpent's tooth it is to have a thankless child. 逆子无情甚于蛇蝎.
We can not tell the precise moment when friendship is founded, As in filling a vessel drop by drop, there is at last a drop which makes it run over ; so in a serics of kindness there is at last one which makes the heart run over.——James Boswell, British writer 我们无法讲出友谊缔造的确切时刻，就像一点一滴地倾注一个容器一样，终有一滴使容器满溢；因此，面对接二连三的好意，终有那么一次会动人心弦，情谊洋溢。英国作家 博斯韦尔,J.
A mind all logic is like a knife all blade. It makes the hand bleed that uses it. 只有逻辑的头脑象只有刃的刀，它会割破使用它的手。
To make your life a sound structrure that will serve others and fulfil your own potential, you have to remember that strength, however massive , can't endure unless it has the interlocking supprt of others. Go it alone and you'll inevitably tumble.——Zichler Edward, Admerican writer 要使你的生活成为有益于他人同时又能发挥你自己的潜力的牢固的建筑，你必须记住，除非与他人的支持联系在一起，否则无论多么大的力量都难以持久，单枪匹马必将一事无成。美国作家 爱德华.Z.
Poverty is an abnormality to rich people. It is very difficult to make out why people who want dinner do not ring the bell.——Walter Bagehot, Buetish economist 对于富人来说，贫穷是不可理解的异常现象：他们怎么也弄不明白，那些想要吃饭的人，为什么不摇铃让人送来呢？英国经济学家巴杰特.W.
Happiness lies not in the mere possession of money ; it lies in the joy of achievement , in the thrill of creative effort .(Franklin Roosevelt , American president )——幸福不在于拥有金钱，而在于获得成就时的喜悦以及产生创造力的激情。(美国总统 罗斯福. F.)
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