2022年BunitAsia语法词组总结 .pdf

9B unit1 Asia it 用法完全归纳一、it 作人称代词的用法1. 指事物作为人称代词， it 可以除人以外的一切事物或动物。如： I dropped my watch and it broke. 我把手表掉在地上摔坏了。2. 指人it 指人主要用于指不性别不明的婴儿或用于确认某人的身份。如：Is it a boy or a girl? 是男孩还是女孩 ? There is a knock on the door. It must be the postman. 有人在敲门，一定是邮递员。【说明】 在答语中，常用来指本人，如说It s me。3. 代替某些代词代词 it 还可用于代替指示代词this, that 以及复合不定代词something, anything, nothing 等。如：“Whats this?” “It s a new machine. ” “这是什么 ?”“是一种新机器 ” 。Nothing is wrong, is it? 没出什么问题，是吗 ? 二、it 作非人称代词的用法1. 基本用法it 作非人称代词的用法，主要用于指时间、距离、价值、天气、气候及温度等自然现象。如：It s too late to go there now. 现在去那儿已经太迟了。It can get very hot here. 这里有时会很热。2. 用于某些句型It s time for sth. 该做某事了。It s time to do sth. 该做某事的时候了。It s time for sb to do sth. 某人该干某事了。It s (about / high) time + that-从句. 某人该做某事了。 (从句谓语用过去式，有时也用 “should+ 动词原形 ”)It s first (second) time + that-从句. 某人第几次干某事。(从句谓语用现在完成时 ) It s + 时间段 + since-从句. 自从有一段时间了。It s + 时间段 + before-从句. 过多长的时间才 三、it 用作形式主语1. 基本用法当不定式、动名词、从句等复杂成分用作句子主语时，为保持句子平衡，通常把真正的主语放在句末，而在句首使用形式主语it。如：It s very important to remember this. 记住这一点很重要。2. 用作形式主语的的重要句型(1) It + be + adj. for (of) sb to do sth 某人做某事 It is hard for him to make up his mind. 他很难下定决心。It was foolish of her to say such a thing. 她说那样的话，真是太蠢了。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 5 页 - - - - - - - - - 【说明】 介词 of 与 for 的区别是： of 用于指某人的性格、属性、特征等，介词 for 表示对象，意为 “ 对来说” (2) It takes sb + 时间段 + to do sth. 某人做某事花了 时间It takes years to master a new language. 要花多年的时间才能掌握一门新的语言。【说明】 此句型可以有以下多变种变体：It took me an hour to write the letter. =The letter took me an hour (to write). =I took an hour to write the letter. 我写这封信花了一个小时。(3) It is up to sb to do sth. 该由某人做某事It s up to you to to make the choice. 得由你来作选择。(4) it look (seem, appear, happen, occur) that as if, 似乎It seemed as though he didnt recognize me. 他似乎没认出我来。(5) If it were not for, / If it hadnt been for,若不是因为 If it were not for their help, we couldnt have got over the difficulties. 四、it 用作形式宾语1. 基本用法当不定式、动名词、从句等复杂成分用作宾语且其后跟有宾语补足语时，通常会在宾语补足语前使用形式宾语，而将真正的宾语移至句末。其基本结构为 “ 动词+it+宾语补足语 +不定式 (动名词或从句 )” 。如：I find it difficult to do the job well. 我发现做好这件事不容易。2. 用作形式宾语的几个特殊结构(1) 动词+ it + that-从句。如：I like it that you came. 你来了，我很高兴。【说明】能用于此结构的动词不多， 常见的有have, take, put, like 等。(2) 动词 + it + when (if)- 从句。如：I dislike it when you whistle. 我不爱听你吹口哨【说明】 能用于此结构的动词不多，常见的有enjoy, hate, love, like, dislike, appreciate, prefer 等。(3) 动词 + prep + it + that-从句。如：See to it that youre not late again. 注意千万不要再迟到。【说明】 能用于此结构的动词不多， 常见的有 see to, look to, insist on, stick to, depend on, answer for 等。(4) 动词 + it + 介词短语 + that-从句。如：I owe it to you that I am still alive. 多亏有你我才仍然活着。【说明】 能用于此结构的动词不多，常见的有take it for granted, bring it to sbs attention, owe it to sb 等。名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 5 页 - - - - - - - - - 1.continue to the end 坚持到最后2.take a rest 休息一下3.on one s way back 在某人回去的路上4. the capital of 的首都5.be attracted by 被吸引6.be filled with 充满7.spend the summer 避暑8.consist of /be made up of 由组成9.a man-made lake 一个人工湖10.all over the area 遍及这个地区11.step by step 一步一步地12.in different shapes 形态各异13.in strange shapes 奇形怪状14.wish sb. a nice trip 祝某人旅途愉快15.be open to 对开放16.in a hurry 匆忙地17.see . with ones own eyes 亲眼所见18.dragon dance 舞龙19.get lost 迷路20.take up 占据21.be well worth doing 很值得做某事名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 5 页 - - - - - - - - - 语法：一选择题1. Is _ necessary to take off our shoes when we enter the lab? A. everyone B .this C. her D. it 2. I dont think _ possible to master a foreign languagewithout much memory work.A. this B. that C. its D. it 3. Alice received an invitation from her boss, _ came as a surprise. A. it B. that C. which D. he 4. Does _ matter if he cant finish the job on time? A. this B. that C. he D. it 5. Tom s mother kept telling him that he should work harder, but _ didnt help.A. he B. which C. she D. it 6. The weather turned out to be very good, _ was more than we could expect. A. what B. which C. that D. it 7. _is a fact that English is being accepted as an international language. A. There B. This C. That D. It 8. I hope there are enough glasses for each guest to have _. A. it B. those C. them D. one 9. I hate _ when people talk with their mouths full. A. it B. that C. these D. them 10._ electricity plays such an important part in our life? A. Why is it that B. Why is it C. Why it is that D. Why is that 二填空题1. _ is well know to us all that the earth is round. 2. _doesnt matter much whether hell come to the party. 3. I feel _ an honour to be invited to speak here. 4. Is _ possible to fly to the moon in a spaceship? 5. She heard of a terrible noise, _ brought her heart into her mouth.名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 5 页 - - - - - - - - - 答案：1-5 DDCDD 6-10 BDDAA 1-5.it名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 5 页，共 5 页 - - - - - - - - -