1、新人教版高二英語選修六it用法授課課件It的用法詞知識要點知識要點 It的用法的用法 一作人稱代詞1、it替代前面或后面的單數(shù)名詞或分句等所表示的事物。e.g. You cannot eat your cake but have it.it替代前面的cakeAlthough we cannot see it, there is air all around us. it替代后面的airThey say he has left town, but I dont believe it. it替代前面Theytown分句中的情況前往目錄知識要點知識要點 2、替代有生命但不能或不用分陰陽性的東西包括嬰

2、兒。e.g. Yesterday we saw a big tree. It was fully twenty metres high. it替代前面的treeThe baby cried because it was hungry. it替代前面的baby前往目錄知識要點知識要點 3、在某些習(xí)慣說法中，可以替代人。e.g. - Someone is knocking at the door, Peter.- Who is it?- Its me.- Who are singing?- It is the children.- The light is still on in the lab.

3、 It must be the third-year students doing the experiment.前往目錄知識要點知識要點 4、it與one的區(qū)別：這兩個詞都可以代表前面說過的名詞，但it用于同名同物的場所；one那么用于同名異物的場所。e.g. - Do you still have the bicycle?- No, I have sold it.- Is this knife yours?- No. It is Xiao Zhangs. Mine is the one on the desk.前往目錄知識要點知識要點 5、it與that的區(qū)別：兩詞都可替代某一特定名詞，但

4、that指同一類，并非同一個。e.g. The climate of South China is mild溫暖的; I like it very much.it指the climate of South ChinaThe climate of South China is much better than that of Japan.that指the climate前往目錄知識要點知識要點 二作無人稱代詞it作無人稱代詞時，除了句中找不到它所代表的詞語外，另一個特點是它后面的內(nèi)容都是表示天氣、時間、間隔、度量衡及情況等。It is fine (rainy, windy, etc.).It i

5、s noon.It is a half hours walk to the factory.It is eighteen square metres in area.What does it matter?前往目錄知識要點知識要點 三作強調(diào)詞，構(gòu)成強調(diào)構(gòu)造用以協(xié)助改動句子構(gòu)造，使句子的某一成分遭到強調(diào)。“It is (was) + 所強調(diào)的成分 + that (who) + 其它成分。在這個句型中，it本身沒有詞義。留意: 在強調(diào)構(gòu)造中，如被強調(diào)部分為時間狀語或地點狀語，其后的銜接詞也絕不能為when 或where，而運用that 。在復(fù)習(xí)中，一定要留意句式的不同。前往目錄It was in

6、Shanghai that I bought the guitar(that引起強調(diào)句)It was Shanghai where I bought the guitar(where引起定從)It was twelve oclock when we arrived there(when引起時間狀語從句It was at twelve oclock that we arrived there.that 引起強調(diào)句前往目錄知識要點知識要點 四引導(dǎo)詞it作方式主語賓語為了使句子平衡，常采用方式主語或賓語it ，而把真正的主語或賓語置于句子后面。通常引導(dǎo)詞it與它所替代的句子成分中間要夾有某些詞。e.

7、g. It takes half an hour to go there on foot.It與to go there on foot之間夾有takes half an hour四個詞 We thought it strange that Mr. Smith did not come last night. it與that從句中間夾有 strange前往目錄但有時it與所替代部分之間并不夾有其它詞。e.g. You may depend on it that they will support you.由于介詞on之后普通不直接接that引導(dǎo)的賓語從句。留意：it不是多余的，不能當作錯句知識要

8、點知識要點 (五) it，one，that 的區(qū)別：作為代詞，這三個詞的對比運用是高考的熱點之一。-Why dont we take a little break?-Didnt we just have _?Ait BthatCone Dthis The Parkers bought a new house but _will need a lot of work before they can move inAthey Bit Cone Dwhich one 用以指代同類事物中的任一，that 特指性強,指代可數(shù)與不可數(shù)詞，而it指代上文提過的同一事物。前往目錄高考鏈接高考鏈接1.09四川6

9、. I like this house with a beautiful garden in front, but I dont have enough money to buy_.A. one B. it C. this D. that【答案】B。 【解析】意思是：我喜歡這個前面有一個美麗花園的房子，但是我沒有足夠多的錢去把它買下來。第一句話中的this house闡明在該語境中是特指的用法，所以答案為it，表示特指。該題容易誤選one，要留意的是one表示泛指。【考點定位】it/that/one用法區(qū)別前往目錄高考鏈接高考鏈接09浙江7Ive read another book this

10、week.Well, maybe _ is not how much you read but what you read that counts.A.thisB. thatC. thereD. it【答案】 D【解析】句中“ not how much you read but what you read 足以做動詞count 的主語，一切選D 使之構(gòu)成強調(diào)句型。【考點定位】此題調(diào)查強調(diào)句型和名詞性從句。前往目錄高考鏈接高考鏈接3.09北京2. Being a parent is not always easy, and being the parent of a child with spe

11、cial needs often carries with _extra stress.A. it B. them C. one D. him【答案】C【解析】此題較難，但根據(jù)句意“作一名家長并不是很容易，并且作為一名有著特殊需求的孩子家長，由于當這種特殊需求的孩子家長而帶來額外的壓力。分清指代，it 指代上文being the parent of a child with special needs內(nèi)容，carry的賓語為extra stress,with it 表示緣由，防止誤選C.，由此可知選A【考點定位】調(diào)查代詞it用法。前往目錄高考鏈接高考鏈接4.2019年浙江卷，4 _ is ou

12、r belief that improvements in health care will lead to a stronger, more prosperous economy. A. As B. That C. This D. It【答案】D.【解析】此題調(diào)查it作方式主語，替代that improvements in health care will lead to a stronger, more prosperous economy，而其他選項均不可以充任方式主語。前往目錄高考鏈接高考鏈接5.2019年I，26 If I can help_, I dont like working

13、 late into the night.A. so B. that C. it D. them【答案】C【解析】此題調(diào)查it的特殊用法。it可用于某些動詞之后，無確切的含義，構(gòu)成習(xí)語。此處If I can help it意為“假設(shè)我有方法的話。有時我們也可以說成It cant be helped或There is no help for it。表示“真實沒有方法。常見口語中帶it 的慣用語：youve/Ivegot it懂了，明白了;forget it算了吧，別提了，休想，不能夠;Dont mention it他人道謝時回答不客氣;Take it easy別急，漸漸來; “ make it

14、+時間把 定在某時; It/all depends那要看情況而定 ; Its hard to say情況很難說; It comes to nothing沒什么結(jié)果。前往目錄高考鏈接高考鏈接6.2019年安徽卷，34 Catherine bought a postcard of the place she was visiting, addressed to and then posted it at the nearby post officeAit; her Bit; herself Cherself; her Dherself; herself【答案】B【解析】調(diào)查代詞。第一空不定代詞it指代前面的postcard；第二空to后