1、Grammar,Unit1 Asia,It的用法,Look at the bird. It is so small.,注意,当我们常用 it 指代动物时，如果是宠物，我们通常可以用he或者she来代替it。 如：,I have a dog. She is my best friend. 我有一条狗。她是我最好的朋友。,The little baby is drinking milk.It weighs only 3 kilos.,-Who was calling you just now?-It was my cousin.,Riding around the countryside is p
2、opular in Guilin, isnt it?,总结1 it 作人称代词,1.指代动物或无生命的事物。,2.指代不清楚性别的婴儿和小孩。,3.指代不明身份的人。（尤指打电话和敲门的状态下）,4.指代前面提到过的事物。,Exercise 1 A visit to the Summer Palace,the Summer Palace2. the lake3. the lake4. we could not row a boat there5. the 17-hole bridgeThe lions are all different from each other.7. unknown p
3、erson,Language points,1. The lake is very bigit takes up three quarters of the area. 湖很大，占了四分之三的面积。短语take up的意思是“占据(空间)；占用(时间)”。如：The table takes up too much space.这张桌子太占地方了。,(2) three quarters 四分之三分数表达法分子（用基数词）/分母（用序数词复数表 示；分子1时用单数形式） 如： 五分之三 three fifths 十分之七 seven tenths 二分之一 one (a) half (不能用one
4、 second),2. Across the lake is a 17-hole bridge. There are many stone lions on either side of it.湖上有一座十七孔桥，桥两边有很多石狮子。第一句为倒装句。当表示地点状语的介词短语位于句首时将谓语提到主语前面构成完全倒装。如：In front of the building is a big park.在这个建筑前面是个大公园。 (2) on either side of = on each side of,总结2 it 作非人称代词,it 可以用来指代时间、日期、天气、距离等。,It is 6:30
5、 p.m. It is raining heavily outside.It is 1 January today. It is New Years Day.In Beijing, it is cold and windy in winter.It is two kilometres from my school to my home.,Exercise 2 Leaving for Shanghai,It is 22 February today2. It is about 1,300 kilometres3. It was 5 a.m.4. It was only 25. it is ver
6、y cold and dry in BeijingIt was sunny/ a sunny dayIt was noonIt is not far,_ was a sunny day. Peter decided to go for a walk to the park, though _ was two miles away. _ was so comfortable to walk on the street.,it,It,It,Suddenly _ began to rain. He found _ hard to walk there. Then he took a bus home
7、. Unfortunately _ went wrong. When he got home, he was wet through. Thus _ was a day that he would never forget.,it,it,it,it,总结3 it 作形式主语,It is amazing that there are so many rocks in unusual shapes in the cave.,It is important that we should learn English well.,1) It is + adj. + that 从句,2) It is +
8、adj. + to do sth.,It is very tiring to climb the steps. It is popular to hire a bicycle and ride around the countryside.,总结3 it 作形式宾语,Many people find it pleasant to travel around.,We think it important to learn a foreign language.,该句型中的it 作形式宾语。 主句中常用的动词： think, believe, make, find, consider, feel,
9、We think it our duty to clean our classroom every day. He felt it important learning English well. They found it difficult that they would finish their work in two days.,Useful structures with it,4. think(s)/ find(s) it easy/difficult/ to .,1. It is + adj. + (of/for ) + to . It is nice of you to hel
10、p me. 你能帮我真好。,2. It takes some time to . It takes one hour to get there. 到那要花一个小时。,3. It is said/reported/ that . It is said that everyone may have a chance to travel to Mars in the year of 2050. 据说到2050年每个人都有机会到火星旅游。,I find it interesting to learn something new. 我发现学习新东西很有趣。,Exercise 2 About Shangh
11、ai,it is easy It is sunny it 4. It is said 5. It is fun 6. it 7. it (is) comfortable 8. It is kind,it,作为非人称代词的用法,作为人称代词的用法,其他用法,it 是代表人以外的动物或物品的单数名词，通常意为“它”。除此之外，it 还有很多其他特殊的用法，而其意思根据实际情况而定。,Summary,Exercises,1. -He was nearly drowned once. -When was _? -_ was in 1998 when he was inmiddle school.A.
12、that; It B. this; This C. this; It D. that; This 2. Someone is ringing the doorbell. Go and see _. A. who is he B. who he is C. who is it D. who it is,单项选择。,A,D,3. In fact _ is a hard job for the policeto keep order in an important football match. A. this B. that C. there D. it 4. Mikes mother kept
13、telling him that he should work hard, but _ didnt help.A. he B. it C. she D. which,D,B,5. Since you have repaired my computer, _ is no need for me to buy a new one.A. it B. there C. this D. that 6. The official made _ clear that he would do everything possible to solvethe problem.A. it B. this C. that D. him,A,A,7. -Do you like _ here? -Oh, yes, the air, the weather and the way of life. Everything is so nice. A. this B. there C. that D. it8. _ is a fact that English is being accepted as an international language. A. There B. This C. That D. It,D,D,Good-Bye !,
