1、Unit 12,Unit 12 Life is full of the unexpected.,Section A 1 1a-2d,Warming up,Do you remember any unexpected situation in your daily life?,一、定向导学,What do you think of the people in these pictures?,They look scared/ sad,He broke his arm.,He is getting an electric shock.,What happened to the boy?,Life
2、is full of the unexpected.,I was late for work today. When I got up, I found my clock had rung. It was 7:30. When I went out, I found the bus had already left.,1a,Look at the pictures. What happened to the girl?,She got up late. She overslept.,Tell a story,oversleep (overslept, overslept) v. 睡过头；睡得太
3、久 复合词中的over常有“过于”之意 Dont oversleep, Dean! You are to be late. 迪恩，别睡过头了！你要迟到了。,By the time she got up, someone had already gotten in the bathroom. She rushed out the door.,在以前,The bus had left before she got to the station. When she got to school, she realized she had left her backpack at home. .,n.
4、背包；旅行包,初中英语时态 一般现在时 一般过去时 一般将来时 现在进行时 过去进行时 现在完成时 过去完成时,二、合作探究,do/does,did,will do/be going to do,be (am is are) doing,was/were doing,has/have + done,had + done,I do the homework every day. I did the homework yesterday. I will/ am going to do homework after school. I am doing the homework now. I was
5、 doing the homework when my mom came back. I have done the homework for two hours. I had done the home work for two hours when my mom came back.,He does the homework everyday.,He did the homework yesterday.,He will/is going to do the homework after school.,He is doing the homework now.,He was doing
6、the homework when his mom came back.,He has done the homework for two hours.,He had done the homework for two hours when his mom came back.,过去完成时,(1) 构成：由“助动词had(用于各种人称和数) + 过去分词”构成否定式：had not + 过去分词 缩写形式：hadnt (2) 用法：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。,三、精讲点拨,(3) 它所表示动作发生的时间是“过去的过去”。 表示过去某一时间可用by, befo
7、re 等构成的短语来表示。 也可以用when, before 等引导的时间状语从句来表示。 还可以通过状语从句或通过上下文暗示。,例如： When I got there, you had already eaten your meal. 当我到达那里时，你已经开始吃了。 By the time he got here, the bus had left. 在他到达那里之前，汽车已经离开了。,1. By the time I got up, my brother _ already _ in the shower. 2. By the time I got outside, the bus _
8、 already _. 3. When I got to school, I realized I _ _ my backpack at home.,1b,Listen to Mary talking about her morning. Complete the sentences.,had,gotten,had,left,had,left,四、达标检测,Practice,1c,Take turns being Mary. Look at the pictures and talk about what happened this morning.,I overslept. By the t
9、ime I got up, my brother had already gotten in the shower.,What happened?,So, after he out of the shower, I took a quick shower and got dressed. But by the time I went outside, the bus had already left.,Oh, what a pain!,Oh, yes! So I ran all the way to school. But when I got to school, I realized I
10、had left my backpack at home.,Oh, no!,No wonder you look stressed.,( )1. I still dont know what _ while I was away from home. had happened B. was happened C. has happened D. happened ( )2. By the end of last year, we _ more than 2,000 words. learned B. have learned C. had learned D. learn,C,A,五、拓展提升,THANK YOU!,
