1、Unit 12 Life is full of the unexpected【学习目标】1、语法：过去完成时2、重难点：1) 过去完成时的用法2) 各种时态的区别【预习合作探究】1. A: What happened? 发生了什么？ (1c)B: I overslept. And by the time I got up, my brother had already gotten in the shower我睡过头了。等我起来时，我哥哥已经在洗澡了。【解析】oversleep =sleep late v 睡过头sleep s lept sleptoversleepoversleptovers
2、lept( ) What happened ? I _.A. oversleep B. oversleeped C. overslept( ) My alarm clock didnt go off, so I_.A. oversleep B. overslept C. oversleeping ( )I _ this morning and missed the early bus. A. overslept B. slept C. held D. caught 2.When I got home, I realized I had left my keys in the backpack.
3、 (2b)当我到家时我意识到我把钥匙忘在背包里了。【解析】leave 在此处做及物动词，“留下”。“leave.地点”表示“把某物落/忘在某地”。I left my homework at home this morning.我今天早晨把作业忘在家里了。(1)leave 用作及物动词，其用法有表 “离开”。leave.for. 意为“离开某地前往某地”。The Greens will leave Beijing for London next week. 格林一家下星期离开北京去伦敦。表“剩下” How much time is there left? 还剩下多少时间？表“辞去(工作等)；脱离
4、(组织等)”。Mary left school last year and she is working in a shop now.玛丽去年退了学，现正在一家商店工作(2)leave 也用作不及物动词，意为“去，出发”。如：Its time for us to leave.我们该走了注意：表示把某物落/忘在某地，不能用 forget，要用 leave。( ) - Boys and girls! Please _ your compositions after class. - Oh, my God! I _ it at home. A. hand in; forgot B. hand in;
5、 left C. hand out; forgot D. hand out; left3.By the time I_(get) back to school, the bell_(ring). (2b)【解析】get back to school 意为“回到学校” 【解析】（1）get back to 后接表地点的名词，意为 “ 回到某地”; (2) get back to 后面接人,可引申为“回复某人的信件，电子邮件，电话”等 ；（3）get back 还可表示“ 回来，返回，拿回，取回”等含义。【 2014 广东佛山 】We lost the way in the forest, and
6、 we didnt know .A.where we get back B. when did we get back C. how we could get back4. My alarm clock didnt go off! 我的闹钟没响。（ 2d）【解析】go off 发出响声, (闹钟)闹响 The alarm went off just now. 刚才警钟响了【短语】 go over 复习 go away 离开 go by (时间)过去 go for a walk 出去散步go fishing/shopping/skating/swimming去钓鱼/去买东西/去溜冰/去游泳( )
7、 I was late today because my alarm clock didnt_A. run off B. go off C. give out D. give up 【拓展】 go by “(时间)过去；消逝”。 Time goes by second by second. 时间一秒秒地消逝。 go on “继续”。 Please go on working. 请继续工作。( ) Why were you late this morning? My alarm clock didnt _, so I overslept. A. go by B. go on C. go off
8、D. go down5.So I just quickly put on some clothes and rushed out the door.（2d）【解析】 rush out 冲出去，冲出Henry rushed out the room and disappeared in the rain.亨利冲出房间，消失在了雨中。Julia rushed out and didnt return.朱丽叶冲了出去，再没回来。6.Carls day saw me on the street and gave me a lift in his car. Carl 的爸爸在街上看到我，捎了我一程。（2
9、d）【解析】 give sb. a lift =give sb. a ride / give a ride to sb. “捎某人一程”，( ) The poor old woman was standing in the middle of the road and asked someone to _.A. give him a ride B. give her a ride C. enjoy a ride D. accept a ride( ) Tom drove by and gave me a _ on the way home. A. flight B. Run C. walk D. lift
