2015-2016学年人教版选修6unit3教案Grammar.docVIP

Grammar Teaching material NSEFC Book 6 —— Unit 3 Teaching aims Enable the students to master the usage of it. Teaching important difficult points How to enable the students to know the usage of it. Teaching aids tape recorder, slides Teaching procedures Step1 Revision Complete the passage with the suitable words in their proper forms. due to 6. stress addicted 7.quit alcohol 8.drugs manage 9.pregnant cigarettes 10. adolescents Smoking __________, drinking _______ or taking other__________ produce many harmful effects and have no real benefits. So why do ___________do it? Some begin because they believe it makes them look cool. Others think it will help with _______. In their life possibly________ pressure from their parents or teachers. Some just want to see what it is like. What they don’t realize is that they will get into the habit and __________ become ____________. It will then be difficult to _________ the habit. A few people ________to quit easily but for many it is a very painful process. Of course, the best way to deal with these drugs is not to start in the first place. Keys：cigarettes；alcohol；drugs；adolescents；stress； due to；eventually；addicted ; quit；manage Step2 Lead in Slide show Discovering “It” 1．It rains heavily . 指天气 2. It is 20 kilometers from Granddad’s house to James’. 指距离 3. It is November 11, 2005. 指日期 4. It is 9 o’clock at night. 指时间 5. It is bad to smoke. 形式主语 6. It is no good smoking. 形式主语 7. It is likely that he will succeed. 形式主语 Step3 The use of “it” 一、“it”作人称代词 1. it的最基本用法是作代词，主要指刚提到的事物，以避免重复: Xi’an is?a?beautiful?city, isn’t?it? They watched the train until it disappeared in the distance. 2. 也可以指动物或婴儿(未知性别的婴儿或孩子): Is this your dog？ No, it isn’t. 二、 it作非人称代词 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，称为非人称的it： 1. 指天气： It is a lovely day, isn’t?it? It is a bit windy.2. 指时间: It was nearly midnight when she came back.