小升初“it”用法总结

1、it 的用法,一.it作人称代词 I love swimming. It keeps me fit. Is this your dog？No, it isnt. Whos the lovely baby? The baby is crying.It might be hungry. Whos knocking at the door?-It may be Tom. Who is making such a noise?- It must be the twins. Whats this? - Its a pen. 指刚提人或物，以避免重复: 也可以指动物或未知性别、身份的人，指做某个动作的人或

2、与某事有关系的人。 用以代替指示代词this、that。,1 .Mr Smith is at the door. _ wants to see you. 2 .Someone is at the door. _ must be Mr Smith. A. He B. It C. This D. That,二.非人称代词it 1.it有时并不指具体的东西，而泛指天气、时间、日期、距离、价值、度量、温度、环境等， （1）.指天气： It was very cold. It snowed and grew dark. （2）.指时间: It was nearly midnight when she c

3、ame back. （3）.指环境: It was very quiet in the caf. (4).指距离： It is half an hours walk to the city centre.,4. it作形式主语替代不定式 1). It takes sb. . to do sth. “做要花费某人” It took thousands of people many years to build the Great Wall. It takes me two hours to arrive there. 到那里花了我两个小时。,2). It is adj. ( of sb. ) t

4、o do sth. 主句中的形容词必须是能表示逻辑主语特征的形容词。 常见的有： bad ， brave ， careless， clever ， cruel ， foolish ，stupid ， wise wrong等。 这个句型可以改写为：sb. is kind to do sth. It is kind of you to say so. = You are kind to say so. It is careful of her to help her mother put on the coat. 她很细心地帮妈妈床上外套。 3). It is adj. ( for sb. ) t

5、o do sth. 常见的形容词有：important， necessary， natural , easy ， safe ，common ，normal ，hard ， difficult ,dangerous 等。 It is important for her to come to the party. It is necessary for us to learn a foreign language. 对我们来说，学习一门外语是很重要的。,1.It was wise _ him to give up smoking.,2.It is dangerous _ them to play

6、football in the street.,3.It is clever _ monitor to choose “True Words”.,4.It is necessary _ teenagers to learn a foreign language.,5.It was cruel _ him to kill the cat.,“of” or “for”,4. It 作形式宾语代替不定式. 主句中常用的动词：think,believe,find,consider,feel； 1). Sb. find + it +adj. (of sb) to do sth. We think it

7、wise for him to give up smoking. 1.He felt 2.It is crule for him to kill the cat. He felt it cruel for him to kill the cat. 2). Sb. find + it +adj. + (for sb) to do sth. He felt it necessary (for the girl) to go home on time. 1.We think 2.It is important for us to learn a foreign language. We think

8、it important (for us) to learn a foreign language.,2. it is necessary +( for sb. ) to do sth.,possible,important ,形式主语,1. it is + kind + ( of sb. ) to do sth.,stupid,careless ,常见adj.有： brave ， careless， clever ， cruel ， foolish ，stupid ， wise 等,表示某人的品质、特征。,常见adj.有：important，necessary， natural easy ，

9、 safe ，common ，normal，hard， difficult ,dangerous,2. S+ think + it + necessary +( for sb. ) to do sth.,find,possible,主句中常用的动词：think,believe,find,consider,feel；,important ,形式宾语,1. S+ think + it + kind + ( of sb. ) to do sth.,find,feel ,stupid,careless ,feel ,It的用法：,1.作人称代词指刚提人或物，以避免重复: 也可以指动物或未知性别、身份的

10、人，指做某个动作的人或与某事有关系的人。 用以代替指示代词this、that。 2.非人称代词 天气与时间 距离与金钱 物它是三单 推测“it” 现 形主行宾是考点,Suddenly _began to rain. He found _ hard to walk there. Then he took a bus home. Unfortunately _ went wrong. When he got home, he was wet through. Thus _ was a day that he would never forget.,it,it,it,it,“It”试题解析,1. T

11、he Parkers bought a new house but _ will need a lot of work before they can move in. A. they B. it C. one D. which,“It”试题解析,2. Toms mother kept telling him that he should work harder, but _ didnt help. A. he B. which C. she D. it,3. Do you have enough glasses for each guest to have _? A. it B. them

12、C. that D. one,4. Why dont we take a little break? Didnt we just have _? A. it B. that C. one D. this,6. -He was nearly drowned once. -When was _? -_ was in 1998 when he was in middle school. A. that; It B. this; This C. this; It D. that; this,5.The chairman thought _ necessary to invite Professor S

13、mith to speak at the meeting.(05全国) A. that B. it C. this D. him 6.It took us over an hour _ along the street. A.walk B.to walk C.walking D.walked,7.I think it a great honour _to visit your country. A.to invite B.inviting C.having invited D.to be invited 8.Many people now make _a rule to buy cards for their friends before Christmas. A.themselves B.it C.that D.this 9._is very clear to everyone that hes round and tall like a tree. A.This B.What C.That D.It,10. Silly me! I forget what my luggage looks like? What do you think of _