九年级英语全册 Unit 4 I used to be afraid of the dark（第3课时）Section A（Grammar Focus-4c） （新版）人教新目标版.ppt

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1、Unit 4I used to be afraid of the dark.第三课时Section A(Grammar Focus4c)单元同步语法精讲 used to的用法used to后面接动词原形，用来表示过去习惯性的动作或行为，强调过去和现在的对比。一、结构：1否定句：used to的否定形式为didnt use to或usednt to。eg：My sister didnt use to work hard at English.我的妹妹过去学英语不努力。2一般疑问句：含有used to的句子变为一般疑问句时，用“Did主语use to do sth.？”结构。其肯定回答是Yes，主

2、语did；否定回答是No，主语didnt。eg：Did your mother use to work in that factory？你的妈妈过去在那个工厂工作吗？No，she didnt.不，她没有。3反意疑问句：含有used to的句子变为反意疑问句时，附加疑问部分用“didnt主语”或“did主语”。eg：Jenny used to like the gym class，didnt she？詹妮过去喜欢体育课，对吗？They didnt use to listen to country music，did they？他们过去不听乡村音乐，对吗？二、used to do sth./be

3、used to doing sth./be used to sth.和be used to do sth.的辨析1used to do sth.意为“过去常常做某事”。指过去的习惯性动作或状态，与现在形成对比。eg：I used to water flowers.我过去常常浇花。2be/get used to doing sth.意为“习惯于做某事”。指现在的状况。eg：I am getting used to staying here.我已经习惯了待在这里。3be used to sth.意为“习惯了某物”。eg：Lily is used to rice now.莉莉现在习惯了吃米饭。4be

4、 used to do/for doing sth.意为“被用来做某事”。eg：It is used to sweep/for sweeping the floor.它是用来拖地的。单元同步语法精练 一、根据句意用所给词的适当形式填空。1The boy used _(play)tennis.2Im used to _(stay)up late on Saturdays.3Knives are used for _(cut)things.4_ you _(use)to be fat?5Did the boy _(use)to be afraid of the dark?to playstayin

5、gcuttingDiduseuse二、单项选择。6Your father used to eat meat，_？Adid youBused you Cdidnt he Dused he7_ you _ to play pingpong?Yes.But now I often play soccer.ADid；used BDid；useCAre；used DWere；useCB8This place _ a factory but now it is a park.Aused to being Bused to beCis used to Dusing to be9My grandfather

6、_ live in the countryside，but now he _ living in the city.(2016，龙东)Aused to；used to Bgot used to；gets used toCused to；gets used toBC10He _ go out with his parents，but now he _ staying at home alone.Aused to；is used to Bis used to；used toCuse to；is used toA三、按要求完成下列句子。11The boy often copied others ho

7、mework in the past.(改为同义句)The boy _ others homework.12Tom used to be a quiet boy.(改为一般疑问句并作否定回答)_ Tom _ a quiet boy?No，he _13My brother used to play soccer at school.(改为否定句)My brother _ play soccer at school.used to copyDiduse to bedidntdidnt use to14Mr.Brown used to take the bus to work.(完成反意疑问句)Mr.Brown used to take the bus to work，_?15我过去常常放学后打篮球。(翻译句子)I used to play basketball after class.didnt he