新概念第二册Lesson21课件PPT.pptVIP

New words and expressions ★mad adj. 发疯 ①mad adi 发疯的，疯了的 He is mad. Do n’t fight with him ,he is a mad man. ②be mad/ crazy about…为……而疯狂(着迷)： Im mad about English. ③go mad/crazy/insane /bananas adj. (go+adj.　变得……)患精神病的，精神病患者的，极愚蠢的) I slowly go crazy/go mad/go insane/go bananas. They are going bananas. =go crazy=go mad (变疯了) ?be mad at sb. 生某人的气(=be angry with sb.) Don’t be mad at him. Notes on the text 1. Mad or not ? or not 在疑问词的后面，表示“是还是不是”，选择概念。 2. Aeroplanes are slowly driving me mad. drive sb. mad 把某人逼发疯 You are driving me mad. The teacher is slowly driving me mad . 2、I live near an airport and passing planes can be heard night and day. night and day 日日夜夜，夜以继日 (注意连读) I will sit by her bedside day and night . passing planes 过往飞机 (passing是现在分词，作定语，起形容词作用，修饰planes，“经过的(路过)，过往的”) He forgot the man with passing time. 随着时间的消逝，他忘掉了那个人。 sleeping baby 正在睡觉的小孩 4.The airport was built years ago,but for some reason it could not be used then. years前不加确定的数词时，一般表示“许多年”years ago = many years ago，hours ,weeks,months 等的用法与它相似 I havn’t seen him for weeks. some+不可数名词/可数名词复数 一些…… some+可数名词单数 某一… for some reason　由于某种原因 I will tell you some day .某一天 We’ll talk about it some other time. 我们改日再谈。 5. Last year, however, it came into use. however 然而(用于句首, 句中, 用逗号隔开) come into use 启用，开始被使用，投入使用(主动形式表示被动含义，没有被动式) When did the train come into use? This method comes into use. 同类型词语：come true, take place, happen 8.I am one of the few people left. one of… ……之一(表示特指的一群人/一些东西中的一个，后面的名词用复数) one of +名词复数 one of +形容词最高级+名词复数 上海是中国 left表示被留下来的，leave　过去分词, left作定语后置 I have a bag left . 【Key structures】 　 被动语态 被动语态可以和大部分情态动词连用(包括具有情态功能的will和would)。He may have been told the news. The shops must have been closed now. 动词+宾语+不定式结构中既可以动词用被动语态，也可以在不定式中用被动语态：在句型“动词+间接宾语+直接宾语”中，这两个宾语都可以成为被动句的主语。但由于间接宾语通常是人，所以间接宾语成为被动句主语的时候要多些： 【Special Difficulties】 drive的用法 ① v. 开车, 驾驶 (drove, driven, driving) drive to…开车去往某地 I drove to Tianjing yesterday ② vt. 赶