小学英语学习：涉及it用法的五类考点 小学英语语法总结全集

1、第 PAGE4 页 共 NUMPAGES4 页小学英语学习：涉及it用法的五类考点 小学英语语法总结全集【导语】下面是大整理发布的小学英语学习：涉及it用法的五类考点，参考！更多相关讯息请关注大！一、考察 it 用作形式主语的用法当不定式、动名词、从句等用作主语时，为防止头重脚轻，通常在句首使用形式主语it，而把真正的主语放在句子末尾。如：Its no good sitting up too late.熬夜没有好处。It is quite clear that he has read the book.很显然，他读过这本书。It doesnt matter what he says.他说什么没

2、关系。【特别提醒】注意it用作形式主语的三类特殊句式：1.用作动词look, seem, appear, happen, occur, follow等的主语后接that从句或as if从句。如：It seems that he knows everything.他好似什么都知道。It so happened that I had no money with me.碰巧我没带钱。2.当系表构造后接有if 或when引出的状语从句时，通常在系表构造前使用形式主语表示说话人对某情况的看法。如：It was a great surprise to me when he did a thing like

3、 that.他这样做使我很吃惊。It would be a tragedy if anything went wrong.假如出了什么事就是一个悲剧。3.用于if it were not for / if it hadnt been for假设不是因为。如：If it hadnt been for the freezing wind they could have reached the injured man in time.要不是有刺骨的寒风，他们就及时赶到伤员身边了。二、考察 it 用作形式宾语的用法当不定式、动名词、从句等用作宾语且其后跟有宾语补足语时，就应在宾语补足语前使用形式宾语，

4、而将真正的宾语移至句末：We found it difficult to persuade her.我们发现很难说服她。He makes it a rule to get up before dawn.他习惯于天亮前起床。I think it very strange that he goes out walking almost every night.我认为他几乎每晚都出去漫步是很奇怪的。【特别提醒】注意it用作形式宾语的三类特殊句式：1.动词+it+if / when从句当enjoy, like, dislike, love, hate, prefer, appreciate等动词后需要

5、接一个if或when引导的从句时，此时必需要先在动词后接it作形式宾语。如：She wont like it if you arrive late.她不喜欢你迟到。He hates it when people use his bike.他讨厌别人用他的自行车。Id prefer it if I didnt have to do so much work.要是我不必做那么多工作，那就太好了。I would appreciate it very much if you would help me with it.假如你能帮助我做这事，我会非常感谢。2.动词+介词+it+that从句能用于此句型的主要有三个动词，即depend on, answer for, see to.如：You may depend on it that he will turn up in time.你可以相信他会及时赶到的。I cant answer for it that the boy is honest.我不能保证这个男孩是老实的。Ill see to