人教版九年级英语12单元第一课时.ppt

Unit 12,Life is full of the unexpected.,Section A (1a-2b),学习目标： 1.会背单词：unexpected oversleep realize get-got-gotten 2.会使用短语：leave sth.+ 地点 （把某物遗忘在某地） 3.掌握过去完成时的肯定，否定结构; 以及由by the time 和 when 引导的时间状语从句中的过去完成时 的用法,Do you like mornings? 2. What do you usually do in the morning?,Leading in,What do you usually do in the morning?,Have you ever slept ?,Have you ever been late for school ?,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, her brother had already gotten in the shower.,She wanted to use the bathroom but someone was in the bathroom.,到时为止，在以前,She ran quickly to catch the bus.,By the time she got outside, the bus had already left.,The bus had just left.,leave-left-left 离开 leave sth. + 地点 把.遗忘在.,What happened to her?,She got to school and realized she had left her bag at home.,What happened to her?,She got to school and realized she had left her backpack at home.,n. 背包；旅行包,1b.Listen to Mary talking about her morning. Complete the sentences.,had,By the time I got up, my brother _ already _ in the shower. By the time I got outside, the bus _ already _. When I got to school, I realized I _ _ my backpack at home.,gotten,had,left,had,left,2a Listen to Mary continue her story. Number the pictures in the correct order.,1,3,2,4,2b.Fill in the blanks with the correct forms of the verbs in brackets.,1. When I _ (get) home, I realized I _ (leave) my keys in the backpack.,2. By the time I _ (get) back to school, the bell _ (ring).,3. By the time I _ (walk) into class, the teacher _ (start) teaching already.,got,had left,got,had rung,walked,had started,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。 (3) 它所表示动作发生的时间是 “过去 的过去”。,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。,first,first,当时,“到的时候”, 相当于 when , 后接过去时的句子 时, 主句的谓语动词用过去完成时态.,My little brother went to bed,I got home,By the time I got home, my little brother had gone to bed,动作发生在前，用过去完成时； 发生在后， 用一般过去时。,the policeman got to the shop,the thief ran away,When the policeman got to the shop, the thief had run away.,用所给动词的适当形式填空。 1.By the time I got up, my mother _ already _ (cook) breakfast yesterday morning. 2.When Jack got home, his sister _ already _ ( wash) the clothes. 3. The film_ already _(start),when we got to the cinema.,had,cooked,had,washed,had,started,(2013甘肃天水)By the time we got to the station, the train _ already _. A. had; leave B. had; left C. have; left D. had; leaved,中考链接,B,overslept,took a shower,went outside,ran to school,left her backpack,left her keys in the backpack,ran back to school,walked into class,started teaching,Describe each picture. R