9年级人教版全一册 Unit 4 I used to be afraid of the dark 教案2

这是一份9年级人教版全一册 Unit 4 I used to be afraid of the dark 教案2，共3页。
学科英语年级/册九年级全一册教材版本人教版课题名称Unit 4 I used to be afraid of the dark.难点名称To listen and talk about how people have changed using used to+ verb.难点分析从知识角度分析为什么难知识点需要熟练运用 used to描写过去现在的变化，难点在于后面接动词原形，描写人的外貌时，什么时候用be,什么时候用实意动词，学生容易出错。从学生角度分析为什么难学生容易惯性思维，在用used to 时习惯全用be，尤其是描写人的头发，he used to have short hair.写成he used to be short hair.否定疑问句要注意used 变成use，反义疑问句要用did提问。 难点教学方法1.通过图片展示对比人们过去和现在的变化，学习新句型。2.通过幻灯片学习肯定否定，疑问，反义疑问句的结构。3.通过习题进一步巩固知识点。教学环节教学过程导入T：Who is he?（show a picture of Doraemon）Ss:He is Doraemon.T:What can he do? Ss: He can go to the past with his time machineT:What is he like? (show a picture of Zhang Yishan)Ss:He is thin and tall.He has short hair. T:let's go back to the past  and find out:What was he like?He was short.       He used to be short.He had long hair.    He used to have long hair.注意高矮胖瘦用be动词，头发用have。 知识讲解（难点突破）Step1(show a picture of Yang Zi)T:What is she like ?Ss：she is tall .T:What was she like ?Ss：She was short.       She used to be short.(show a picture of You Haoran)T:What is he like ?Ss：He is heavy.T:What was he like ?Ss：He was thin.      He used to be thin. （展示used to 的肯定句）Step 2 Fill in the chart with words to describe people.Appearance: tall/ short medium height straight / curly hair long / short hairheavy/ thin young/ oldPersonality:  outgoing funny helpful cute kind friendly confidentStep 3 (show the pictures and talk about how people have changed)T:What did he use to be like? A:He didn't use to wear glasses. B:But now he wears glasses.T:What did she use to be like?A:She didn't use to have black hair .（展示used to 的否定句）B:But now she has black hair.T:What did you use to be like?A:You used to be silent, didn't you? B:Yes, I did.T:What did she use to be like?A:She used to play the guitar, didn't she? （展示used to 的反义疑问句）B:No, she didn't. She used to sing.T:What did he use to be like?A:Did he use to play basketball?B:No, he didn't.He used to listen to music.T:What did she use to be like?A:Did he use to read books?B:No, he didn't.He used to play computers. （展示used to 的一般疑问句）Step 4 Explanationused to意为“过去常常”，用于表示过去习惯性的动作或存在的状态（强调与现在的对比，暗示现在不做了）。其中to为不定式符号，后跟动词原形。used to只用于一般过去时态，没有人称和数的变化。肯定：主语+used to+动词原形否定：主语+didn't use to+动词原形一般疑问句: Did +主语+use to+动词原形反义疑问句：主句+didn't +人称代词  Task 1 火眼金睛She used to be ____________(矮), but now she is _____________(高) .She used to have _____________(短直)hair , but now she has _______________(长卷) hair.she used to _______________(弹钢琴), but now she ________________(打网球).Task 21. — _____ Mike _____ wear a pair of glasses?  — Yes, he did. He has been short-sighted for many years.  A. Is; used to           B. Is; used  C. Did; use to           D. Did; used2.Your father used to eat meat, ___________?  A. did you        B. didn’t you       C. didn’t he        D. did he3.—How does Mr.Depp go to work?—He_____ to work by car, but now he takes a bus.A. used to go         B. used to going       C.is used to go      D. is used to goingTask 3 1.我过去很内向。I_______ _______  _______ _______ . 2. Mary过去留长头发。Mary _______  _______ _______long hair.3.他过去不带眼镜。He_______ _______  _______ _______glasses.4.他过去很矮，不是吗？He_______ _______  _______short, _______  _______?5.她过去很瘦，但是现在很胖。She_______ _______  _______thin, but now she _______ _______ .Task 41. Her cousin used to watch TV on Mondays.  (改为否定句)Her cousin _______ _______ _______ watch TV on Mondays.2. The boy used to collect coins.  (改为一般疑问句)_______ the boy  _______ _______collect coins?3. Bill used to dislike Chinese and history. (就划线部分提问) _______ _______Bill _______ to dislike?4. They used to enjoy shopping on weekends.(改为反义疑问句)  They used to enjoy shopping on weekends，_______ _______?5.She didn’t use to go fishing. (改为肯定句)She  _______ _______ go fishing.  小结Talk about how people have changed using used to+ verb.肯定：主语+used to+动词原形否定：主语+didn't use to+动词原形一般疑问句: Did +主语+use to+动词原形反义疑问句：主句+didn't +人称代词