1、Book 6 Unit3 Grammar It的用法,考点讲解考点一：it用作代词1.指代不指示性别的动物，植物2.代表前文已提到的或下文要出现的事物。3.代替指示代词this, thateg: -What is this? -Its a book.4.未指明但谈话双方都明白的事物或情况。,5.不明确表示性别的婴儿或未清楚的人(电话，敲门)。eg:-Who is knocking at the door? -Its me. Who is it speaking?（电话用语）你是谁？-Who is making such a noise? -It must be the children.6.表
2、示天气，气候，温度，时间，地点，距离，环境，季节，自然现象，环境，日期等。7.表示一般的笼统的情况。eg: How is it going with you?你近况如何？,考点二：作形式宾语(表好恶的动词以及介词后it 作形式宾语，将宾语从句后置),like/enjoy/appreciate/dislike/hate,考点三：作形式主语一般it作形式主语，真正的主语为不定式。但以下情况下，当it作形式主语时，用v-ing作真正主语。It is/ was no / not any use/ good/ point doing sthIt is/ was of little use/ good/u
3、seless doing sthIts+ adj +for sb. to do sth. 形容词修饰to doIts+ adj +of sb. to do sth. 形容词修饰sb的品质,考点四：用于强调句型考点五：引起表时间的句型1.It+is/was+段时间+since从句 从句的谓语动词是非延续动词时，译为“自以来” 若从句的谓语动词是延续性动词，译为“自结束以来”eg:Its 10 years since he gave up smoking. =Its 10 years since he smoking.自他戒烟以来已经10年了。2. It+ was /will be+段时间+bef
4、ore从句,考点六：含it 的一些固定用法as it is/was 事实上，实际情况是； make it 成功； worth it值得； as sb puts it 正如所说的那样,one, the one ,that ,it_ 表示泛指，指代单数可数名词，相当于“a/an+单数名词” 复数用_。_ 特指同类名词中的一个，指代单数可数名词，复数用_ 表示特指上文提到的同一类事物，可指代单数可数名词，或不可数名词，其复数为_ 表示特指上文提到的同一个事物，复数为_,one,ones,the one,that,the ones,those,it,them,I cant find my hat. I
5、 think I must buy _. 我找不到我的帽子了。我想我该去买一顶。 The hat you bought is bigger than _ (which I bought).(定语) 你买的那顶帽子比我买的大。 I cant find my hat. I don t know where I put _ . (同一物)我找不到我的帽子。我不知道我把它放在哪了,the one,one,it,当堂练习1The traffic on the main streets has a longer green signal than _ on the small ones. 2We all
6、regard _ our duty to help those who are too poor to go to the school. 3Could you tell me where you bought your beautiful handbag？I want to buy _ (一个) too.4Whats _ like to live at the North Pole in winter，can you imagine? Youll have to tolerate extreme cold and the long absence of sunlight.,that,it,o
7、ne,it,5The scenery in the northwest，with its rolling mountains and plains，is quite different from _ of the seaside city，Dalian. 6It was not until 1920 _ American women had the chance to vote in national elections. 7I really dont know where _ was that I put my wallet after I paid the bill. 8The patie
8、nt looks much better._ is it that has made him _ he is today?I think it is the medicine and patient care.,that,that,it,What,what,9It is the test system，rather than the teachers，_ is to blame for the students heavy burden nowadays. 10Flowers growing in a well-equipped greenhouse find _ hard to survive in the wild. 11What about todays temperature?Its the same as，if the weather report is exact as usual，_ of yesterday.12I prefer a university in Shanghai to _ in Beijing，because I like the weather there.,that,it,that,one,1.背It用法高考考点2.完成学案剩余习题,Homework,
