Unit 12 Life is full of the unexpected. 课时学案 2023-2024学年人教版英语九年级全册

九年级下册Unit 12 Keeping on going never give up . 勇往直前,决不放弃 ! Unit 12 Life is full of the unexpected. Period 1 Section A 1a–2c 班级_ 组名_ 姓名_ 【学习目标】1.学习并掌握词汇:unexpected, by the time, backpack, oversleep, 2. 学习掌握句型:By the time I got outside, the bus had already left. -2-1- When I got to school, I realized I had left my backpack at home. 3.领悟过去完成时的用法。 【学习重难点】 过去完成时的用法。 【学习过程】一.目标呈现 1.创设情境:学生感知学习目标(朗读或默读) 2.导入话题,解读目标。 二.自主合作 任务一:.你能写出下列单词的过去时和过去分词吗? ring _ _ get _ _ go _ _ leave _ _ start _ _ have _ _ break _ _ run _ _ teach _ _ take _ _ wake _ _ be _ _ 任务二:1.预习课文,读一读本课的新单词。(利用课后音标先自己试读) 2.自学新单词 ,看谁记得又快又准。 3.小组互相检查单词读写情况。 任务三:自读P89教材,请找出下列短语 (先独立完成,再同伴交流) 1.洗淋浴_2.到……时候_ 3.出来_4.把背包忘在家里_ 5.返回某地_6.走进教室_ 7.开始上课_8.充满_ 任务四:观察1a中图片,完成1a任务。 任务五:听录音完成1b, 然后模仿1c用1a图片中的信息编对话。(同伴交流) 任务六:听录音完成2a, 2b. 用2a图中的信息编故事,完成2c。 三.展示质疑 By the time I got outside, the bus had already left. 1).本句中使用了过去完成时,表示一个动作或状态在过去某一时间或动作之前就已经完成或结束。其结构为“had+动词的过去完成时”。 2).by the time 意为“到……时候”,引导时间状语从句,常与过去完成时连用。 【即学活用】—By the time I was five, I _English. —Really? A. had started learning B. have started learning C. started to learn D. started learning 【解析】by the time所引导的从句是一般过去时,其主句要用过去完成时。 (2)过去完成时可以表示过去某一时刻或某一动作之前完成的动作或呈现的状态。也就是说发生在“_”。(3)by the time 意思是 _, 相当于 when, 后接过去时的句子时, 主语的谓语动词用_。 1. 过去完成时的构成:_+_ 2. 过去完成时表示:_ 3. 过去完成时常与_等引导的时间状语连用。 四.巩固建构 1.When they got to the station, the train _ (leave). 2. By the time she got to class, the teacher _ already _ (start) teaching. 3. As soon as she got to her workplace, she realized she _ (forget) to lock the door. 4.When he _ (get) to the cinema, the film_ (begin). ( )5. By the time I_ into the store, someone_ the jeans I wanted. A. walked: walked bought B. walked: bought C. had walked: had bought D. had walked: bought ( )6. - I’m sorry I _ my homework at home. -That’s all right. Don’t _ to bring it to school tomorrow. A. forget;leave B. forget;left C. left; forget D. leave:;forget ( )7. -We all went to the cinema except you last night. Why didn’t you come? -Because I _ t