1、Lesson21 Mad or not?,Key words and expressions,1.drive sb. mad 把某人逼疯,2.passing 过往的,3.day and night 日日夜夜,e into use 被启用,5.knock down撞到,6.be determined to do sth. 决定做某事,Questions on the text,1.How does the writer feel about the aeroplane? 2.What has made most of his neighbours leave their house? 3.Why
2、 do people think the writer is mad?,Language points,1.drive sb. madcrazyinsane 使某人疯狂、把某人逼疯,drive的其他用法,e.g.1 Over a hundred people must have been driven away from their house by the noise. 把赶走,2 I am driven by my curisity to look into the windows 驱使,3 What are you driving at ？说明,2 .for some reason 由于
3、某种原因,for various reasons for different reasons for one reason or another,由于各种各样的原因 由于不同的原因 由于这样那样的原因,e into use启用（含有被动的意思）,e.g. When did bank note come into use?,be out of use 不再被使用,e.g. Telegraph is out of use.,4. a few, few , very few,5.offer sb. sth= offer sth to sb.,e.g. He offers me a large sum
4、 of money.,give sb. sth=give sth to sb.,e.g. My father gives a bike to me on my birthday.,6. be determined to do= decide to do,Key structures,被动语态，即不知道动作执行者或强调动作承受者的一种语态， 表示主语是动作的承受者,构成：be+过去分词（+by+ 动作执行者）,应用1.I will mend the machine The machine will be mended （by me）.,2.Knives are used for cutting things.,3.The classroom is being cleaned.,4. My homework has been finished.,5. Your teeth must be brushed everyday.,6. A boy was knocked down off his bicycle by a car.,
