八上U4T3SA(1).ppt

1、Made by Dong Hongying,Unit 4 Our World Topic 3 The workers used live models, didnt they? Section A,railwayn. 铁路,push v. 推,pull v. 拉，拖n. 拉力，引力,1. How old are the old city walls? 2. There are many old city walls in Beijing, arent there?,They are more than 500 years old.,No, there arent. Only a few of

2、them remain now.,Key points,Only a few of them remain now.,v. 余下，留下,remain v. 保持，保留,Find out the tag questions.,Its a nice day, isnt it? Lets go and have a look, shall we? There are still many old city walls in Beijing, arent there? You know a lot about them, dont you?,Grammar,Tag questions（附加疑问句或叫反

3、意疑问句）,反意疑问句的结构: _ 两部分的人称和时态要_ 有两种形式_,陈述句，简略问句？,一种是前肯后否，另一种是前否后肯。,eg. Kate doesnt like swimming, does he? She isnt a teacher, is she?,一致,附加疑问句中的陈述部分有no, nothing, little, few, never, hardly, seldom, nobody等表示否定意义的词时，附加疑问部分用肯定形式。 You never played computer games, _? There is nobody in the room, _?,Tag q

4、uestions（附加疑问句或叫反意疑问句）,did you,is there,He seldom play basketball, does he?,以I think/believe引导的宾语从句，附加疑问部分的主语应与从句的主语保持一致。 I think she is beautiful, _? I dont believe he is the winner, _?,Tag questions（附加疑问句或叫反意疑问句）,isnt she,does he,对于祈使句的附加疑问句，附加疑问部分常用will you, 但以Lets开头的句子，附加疑问部分用shall we。 Please ti

5、dy your bedroom, _? Lets go swimming, _? Let us play soccer, _?,Key points,Tag questions（附加疑问句或叫反意疑问句）,will you,shall we,will you,Tag questions（附加疑问句或叫反意疑问句）,对反意疑问句的回答，不管问题的提法如何，若事实是肯定的，就用yes; 事实是否定的, 就用no. You passed the exam, didnt you? Yes, I did./ No, I didnt. He isnt a teacher, is he? Yes, he i

6、s./ No, he isnt.,Complete the conversation with tag questions.,A: Hi, Liu Yue! Its a lovely day, _? B: Yes, it is. Youre going to visit the Great Wall, _? A: Thats right! The Great Wall is very famous. Many people want to go there, _? B: Yes, they do. A: Lets go together, _? B: Good idea.,dont they

7、shall we isnt it arent you,b,c,d,a,Work alone,1. What happened to the old city walls in the 1960s?2. Why does the government repair the old city walls?,There used to be lots of old city walls in Beijing.,过去这条河上有座桥。 There used to be a house near the river.,过去某地有,Key points,Most old city walls were pu

8、lled down in the 1960s, because they were falling down.,pull down 拆毁（建筑物） be pulled down 被拆毁,Key points,The government is trying to protect and repair the old city walls. try to do sth. 尽力做某事 protect sb/sth 保护某人/某物 we should protect the animals.,Key points,Are you for or against the following action? Give your reasons.,Work alone,Summary,1. Tag questions. Its a nice day, isnt it? Lets go and have a look, shall we? There are still many old city walls in Beijing, arent there? You know a lot about them, dont you? 2. Talk about the old city wall