Unit 4 I used to be afraid of the dark.Used to课件-人教版九年级英语全册.pptx

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1、I used to be afraid of the dark.I used to be afraid of the dark.难点名称：used to 结构1九年级-全一册-Unit 4目录目录CONTENTS2导入知识讲解课堂练习小结导入3根据课本内容，完成下列句子。1.我以前是矮个子。I _ _ be short.2.我以前在学校不受欢迎。I _ _ to be popular in school.3.保拉以前的确不爱说话。Paula _ _ be really quiet.4.她以前不喜欢小测验。She _ _ _ like tests.didnt useused to used to

2、didnt use to导入5.你以前很矮，不是吗？You used to be short,_ _?是的，我是。/不，我不是。Yes,I _./No,I _.6.他以前戴眼镜吗？_ he _ _ wear glasses?是的，他戴。/不，他不戴。Yes,he _./No,he _.didnt youDid use todid didnt did didnt导入I used to be short.I didnt use to be popular in school.Paula used to be really quiet.She didnt use to like tests.You

3、used to be short,didnt you?Yes,I did./No,I didnt.Did he use to wear glasses?Yes,he did./No,he didnt.Grammar Focus活动与探究活动与探究（温馨提示：规范操作、注意安全温馨提示：规范操作、注意安全）知识讲解难点突破used 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。一、used to的用法课堂练习7难点巩固 Jenny used to play

4、the piano.用used to句型说出与图片情景相符的句子。Jenny Mike used to wear glasses.Mike,glasses Peter used to play soccer.Peter,soccer Amy,long hairAmy used to have long hair.Mark used to like swimming.Mark,like swimused to“_”,表示_used to+_对比现在和过去:_过去的习惯过去常常动词原形but not any more,but not any longerbut now,活动与探究活动与探究（温馨提

5、示：规范操作、注意安全温馨提示：规范操作、注意安全）知识讲解难点突破二、used to的句式变化 didnt use 主语+to do sth.used note.g.Mike didnt use to study hard.=Mike used not to study hard.迈克过去不努力学习。1.否定句used todidntnot活动与探究活动与探究（温馨提示：规范操作、注意安全温馨提示：规范操作、注意安全）知识讲解难点突破 Did+主语+use to+do?答语：Yes,sb.did./No,sb.didnt.e.g.Did you use to go to museums?你以

6、前常去博物馆吗？Yes,I did./No,I didnt.是的。/不是。主语+used to+do.Did2.一般疑问句知识讲解难点突破主句，+did/didnt+表示主语的人称代词？e.g.Your brother used to have noodles for breakfast,didnt he?你哥哥过去早餐常吃面条，不是吗？3.反意疑问句活动与探究活动与探究（温馨提示：规范操作、注意安全温馨提示：规范操作、注意安全）知识讲解难点突破反义疑问句特点是“前肯后否”或“前否后肯”，而且后半句在时态、人称和数等方面必须与前半句保持一致。You used to be a doctor,di

7、dnt you?你过去是个医生，是吗？You didnt use to be a doctor,did you?你过去不是个医生，对吗？活动与探究活动与探究（温馨提示：规范操作、注意安全温馨提示：规范操作、注意安全）知识讲解难点突破There used to be a lot of teachers in the school.100 years ago,there used to be a beautiful village in the country.4.拓展：用在there be 结构中，表示“过去经常有”There used to be+.There beused to？课堂练习13

8、难点巩固完成句子1.她过去常常很安静。She _ _ _ very quiet.2.我过去放学后常踢足球。I _ _ _ soccer after school.used to beused to play课堂练习14难点巩固3.Lily used to have short hair.变为一般疑问句:_.进行肯定回答:_.变为否定句:_._.Did Lily use to have short hair?Yes,she did.Lily didnt use to have short hair.Lily used not to have short hair.used to+_.表示过去的习惯，状态或过去反复发表示过去的习惯，状态或过去反复发生的动作。生的动作。译为：译为：_.其常用否定形式为其常用否定形式为 _ +_ 其疑问形式为其疑问形式为_sb._?Yes,sb _.No,sb_.其反义疑问形式为其反义疑问形式为 _ +_?【课堂小结】【课堂小结】小结used to 的用法总结douse to dodidntDid过去常常过去常常use to dodiddidntdid/didnt sb.主句，主句，