《Section B 3a—3b Self check》获奖教案人教版七年级下册-七年级英语教案

Unit12What didyou dolast weekendSectionB3a-Selfcheck（一般过去时）the SimplePast Tense

一、教学目标让学生明确了解一般过去时的概念L,掌握一般过去时的结构、意义及动词过去式的变化2

二、教学重难点一般过去时动词过去式的变化

三、教学方法问答法、讲授法

四、教学用具白板、及相关材料Stepl Warming-up::略

1.T:What sthe weatherlike todayS:略

2.T:What wasthe weatherlike yesterdayS略

3.T:What didyou dolast nightS:Step2Lead-in:一般过去时表示在过去某个特定时间发生，或过去习惯性、经常性的动作调般过去时不强动作对现在的影响，只说明过去的事情表示过去发生的动作或存在的状态

1.如这电脑是他五年前买的He boughtthe computerfive years ago.那时它只是一个小渔村It wasthen asmall fishingvillage..表示过去经常性或习惯性的动作2如We oftenplayed togetherwhen wewere children.【注】表过去习惯性的动词,也可用或used towould如.他过去常乘公共汽车去上班He usedto goto workby bus常用于一般过去时的时间状语或从句连用（一般过去时最明显的现象就是常由表达过去

3.之时间的副词或副词短语来修饰它）（刚才）（昨天）just nowyesterday（前天）、the daybefore yesterday（）（昨天早上/下午/晚上）（前yesterday morning,afternoon,evening theother day=a fewdays ago几天）、（解放前…）、before liberation（很久以前）、once upona time时间（那天）That+eg.That day时间（两天前）+ago…eg twodays ago（过去的日子里）、in theold daysat+一个时间点、eg.at theage of10（过去年龄）段时间last+世纪）、eg.:night/week/Sunday/weekend/month/winter/year/century引导的状语从句（过去时）when（当我八岁时…）、eg.When I was8years old二.一般过去时的构成用动词的过去式作谓语的行为动词的词尾变化如下

1.一般情况+ed work-worked以字母结尾的辅音e+d write-writed以辅音字母结尾变变+y yi+ed fly-flies studysupply重读闭音节结尾的单词，末尾只有一个辅音字母双写词尾字母+ed stop-stopped regretplan refer一般过去时态的肯定句、否定句和疑问句形式⑴基本结构

2.主动肯定句型分为

①be was,were

②v+ed否定句型

①was/were not

②didn t+v一般疑问句型主主

①was/were+

②did++V特殊疑问句特殊疑问词+一般疑问句例句She oftencame tohelp usin thosedays.I didntknow youwere sobusy.（以和为例）be like主语肯定式否定式疑问式第

一、二人称和第三人称复数以及名词复数Iwas a student.We/You/They werestudents.He/She wasa student.I/We/You/They/liked music.Many people liked music.I was not astudent.We/You/They were not students.He/She wasnot astudent.I/We/You/They/didn tlike music.Many peopledidn tlike music.Were you astudent.Were you/they studentsWashe/she astudentDid you/they likemusicDid manypeoplelikemusic⑵一般过去时态的“三变”技巧一变肯定句变为否定句当句中含有情态动词或助动词等时，可直接在其后面加构成否定1could,would,should not句例如I couldget youa concert ticket.f Icould not/couldnt getyouaconcertticket.当句中含有系动词时，可直接在其后加构成否定句2was,werenot例如Iwason the Internet when you called me.f Iwasnot/wasnt ontheInternetwhenyoucalledme.当句中谓语是除情态动词、助动词、系动词以外的动词时，在该动词之前加3was,were didnot动词还原，构成否定句/didnt,例如一The famoussinger sangsome Chinesesongs.The famoussinger didnot/didnt singanyChinese songs.二变陈述句变为一般疑问句移动词语的位置将等移到句首1was,were,could,would,should例如:He couldpack his things himself.f Couldhe packhisthingshimself添加助动词谓语是除情态动词、助动词、系动词以外的动词时，在主语之2did was,were前加动词还原did,例如Mr Lilooked veryold.f DidMr Lilook veryold三变陈述句变为特殊疑问句确定疑问词:1人物原因频率who/whom,what,why howoften,长度时间距离等等how long,when/what timehow far例如:地点They gavethe concertlast night.where,f Whendid theygive theconcert辨认结构形式疑问词+情态动词/助动词主语+…2/was/were/did+例如The accidenthappened nearthe station.—Where didthe accidenthappen例题解析

1.Li Mingstudied Englishthis morning.（把此句变为一般疑问句）例题解析

1.Mr.Mott isout.But hehere afew minutesago.A.was B.is C.will beD.would be

2.He promisedto tellme byhimself whenI.A.come B.would comeC.came D.had come解析在时间状语从句中，用一般过去时表示过去将来应选CStep3Practise:基础练习

一、写出下列动词的过去式is\am flyplant aredrinkplay gomake doesdanceworry asktaste eatdrawput throwkick passdohave becomegrow teachbuy

二、用动词的适当形式填空be

3.1an Englishteacher now.

2.She happyyesterday.

3.They gladto seeeach otherlast month.

4.Helen andNancy goodfriends.

5.The littledog twoyears oldthis year.

6.Look,there lotsof grapeshere.

7.There asign onthe chairon Monday.

8.Today thesecond ofJune.Yesterday thefirst ofJune.ItChildrens Day.All thestudents veryexcited.行为动词的过去时练习

1.Helive inWuxi twoyearsago.

2.The cateata birdlast night.

3.Wehave aparty lastHalloween.

4.Nancypick uporanges onthe farmlast week.

1.1make amodel shipwith Mikeyesterday.

6.Theyplay chessin theclassroom lastPE lesson.

7.My mothercooka nicefood lastSpring Festival.

8.The girlssinganddance atthe party.9We noteat applesyesterday.10We notplay basketballevery day.11He notgohome oncea week.

三、句型变换1There wasa carin frontof thehouse justnow.否定句___________________________________________________________一般疑问句____________________________________________________________肯定回答___________________________________________________________否定回答___________________________________________________________2They playedfootball in the playground.否定句___________________________________________________________一般疑问句____________________________________________________________肯定回答___________________________________________________________否定回答___________________________________________________________1Lucy didher homework at home.（改否定句）Lucy herhomeworkathome.、（冰箱）.（变一般疑问句）2He foundsome meatin thefridgehe meatin thefridge、（对划线部分提问）3She stayedthere fora week.she there、（变一般疑问句）4There wassome orangein thecup.there orangeinthecup。