Unit2SectionA3a3c课件人教版英语七年级上册

Unit2Thisismysister.SectionA3a-3c2Learningaims1'1.学会和掌握介绍身边的人和物.

Thisismysister.Thesearemyteachers.Thesearenewstudents.2.如何询问他人的身份.

Whoisshe/he?Whoareyou/they?3.熟练掌握人称代词的主格以及指示代词.Myname’sDave.Thisismy_____.fatherfather_______my_______.motherThisismotherparents_________my_______.parentsTheseareLet’smeetDave’sfamily.介绍人物Thatismy___________.grandfathergrandfather_____________________.grandmotherThatismygrandmother________my____________.grandparentsThosearegrandparentsAnd_____mysister.________my________.sisterbrothersThosearebrothersthat’sfriends________my__________.Thesearefriends用来指示人或事物的代词称为指示代词指示代词有：this,that,these,those等

this,that

用来代替单数名词；

those,these用来代替复数名词

Thisisapen.Thosearehisfriends.指示代词指示代词单数复数thisthatthesethose时间或空间上较近的人或物时间或空间上较远的人或物

单数

复数近指

thisthese远指thatthose谓语VisareThisisabikeandthat’sacar.Thoseareherbooks.Thesearemyclassmates.比较=thatisGrammarFocus语法焦点ThisismyfriendJane.That’smygrandfather.Thesearemybrothers.Thosearemyparents.Who’sshe?She’smysister.Who’she?He’smybrother.Who’rethey?They’remygrandparents.That’s=thatiswho’re=whoarewho’s=whoisthey’re=theyare介绍离说话人较近的第三方介绍离说话人较远的第三方介绍两个或两个以上的人或物Thatismybrother.Point1介绍他人的句型ThisismyfriendTom.

【拓展】在打电话用语中，“Thisis...”表示“我是……”，用于介绍自己。特别提醒：“Thatis...”可以缩写成“That’s...”，但是Thisis,Theseare和Thoseare均不能缩写。这是我的朋友汤姆。那是我的弟弟。Thisis+名词单数.Thatis+名词单数.These/Thoseare+名词复数.那些是你的尺子。Thoseareyourrulers.探究小结1

情况构成方法例词可数名词的规则变化表：一般情况以字母s,x,sh,ch等结尾的词以字母f或fe结尾的词某些以f结尾的词加-s加-es变f或fe为v再加-es加-sgirl－girlspen－pensbus－buseswatch－watches

box－boxesdish－disheswife－wivesshelf－shelvesroof－roofs(屋顶)belief－beliefs(信念)half－halves

thief－thieves

情况构成方法例词以辅音字母加-y结尾的词以元音字母加-y结尾的词以辅音字母加o结尾的词先变y为i，再加-es加-s有生命的加-es无生命的加-sbaby－babies

city－citiestoy－toys

day－days

tomato－tomatoespotato－potatoes

photo－photospiano－pianosfamily－familiesparty－partiesboy－boysmonkey－monkeyshero－heroes

名词单数变复数，直接加­s占多数；s，x，ch，sh来结尾，直接加上­es；词尾是f或fe，加­s之前先变ve；辅母＋y在词尾，把y变i再加­es；词尾字母若是o，常用三个已足够；要加­es请记好，hero，tomato，potato。必背口诀

情况构成方法例词可数名词的不规则变化表：不规则变化改a为e型改oo为ee型单复数形式相同其他形式在词尾加-renman－menfoot－feetsheep－sheepdeer－deerChinese－ChineseJapanese－Japanesemouse－micechild－childrenwoman－womentooth－teethfish－fish

中日好友来聚会，绵羊、鹿、鱼把家回；男士、女士a变e；牙（齿）、脚双o变双e；孩子们想去天安门，原形后面r、e、n；

老鼠本来爱大米，mice,ice和rice。必背口诀who为疑问代词，常用在句首引导特殊疑问句，对人进行提问。who引导的特殊疑问句结构：答语：主语是单数时，be动词用__；主语是复数时，be动词用____。主语要根据问句中人物的性别和单复数选用对应的人称代词。①—他是谁？—他是我的哥哥（弟弟）。—Whoishe?—Heismybrother.②—他们是谁？—他们是我的老师。Who+be动词+主语?isare—Whoarethey?—Theyaremyteachers.Point2Who疑问词A:That___myfamily.That’smymother.B:_____he?A:____myfather.B:Who’s____?isWho’sHe’sshe3a.Completetheconversationandpracticeitwithyourpartner.PairworkA:She’s___sister.B:And________they?A:______mygrandparents.

mywhoareThey’rethisthatthesethose3b.Lookatthepicture.Makesentenceswiththewordsinthethreeboxes.myyourfathermothergrandfathergrandmotherparentsgrandparentsbrothersisterPracticeis,areThisismybrother.Thisismysister.That’smygrandfather.Thosearemyparents.Thatismyfather.That’smymother.3c.Askandanswerquestionsaboutthephotos.Who’she?He’smygrandfather.Who’s…?…A:Excuseme,is_______DengZiqi?B:No,itisn’t.A:Whois_____?

B:SheisDongQing.thatsheA:Excuseme,Are______orangetrees?B:No,___________.A:______arethey?

B:Theyare_____________.thosetheyaren’tWhatappletreesA:Excuseme,is_____yourschool?B:Yes,___________.A:Oh,It’ssobeautiful.thisitis课堂探究3:Lookatthepicture.Taketurnstoaskandanswerquestionsaboutthephotos.Who’sshe?She’smygrandmother.

1()1.Canyouseenine___inthepicture.A.fishB.bookC.horseD.apple()2.Acathasfour___,doesn’tit?A.footsB.feetC.feetsD.foot()3.The___hastwo___.A.boy;watchB.boy;watchesC.boys;watchD.boys;watches单项选择ABB二、用括号中所给单词的适当形式填空1.Lucy,MaryandLindaaremygood______(friend).2.Lookatthephoto.Thosearemy____________(grandparent).3.Is___(these)yoursister?4.They___(be)myfatherandmother.5.Mr.Blackhas(有)three_______(brother).friendsgrandparentsthisarebrothers三、连词成句1.my,is,Bill,This,friend,(.)____________________2.parents,these,your,Are,(?)____________________