人教版英语七年级上册--Unit-2-This-is-my-sister-语法解析

fatherandmotherIloveyou.单数句改复数句的方法：1.把单数主语改为复数主语；2.把am,is改为are;3.把单数可数名词改为复数名词；4.注意不能改变句式结构。Thisisabook.Thesearebooks.Thatisanoldmap.Thoseareoldmaps.1.Thisismybrother.Thesearemybrothers.2.Isthatyoursister?Arethoseyoursisters?3.Sheismyfriend.Theyaremyfriends.将下列单数句子改成复数4.Thegirlisn’tmyclassmate.Thegirlsaren’tmyclassmates.(介绍位置相对较近的人)Thisismy/his/her/XX’s…这是….Thesearemy/his/her/XX’s…这些是……(介绍位置相对较远的人)Thatismy/his/her/XX’s…那是…..Thosearemy/his/her/XX’s…那些是……Introduceyourfamilyoryourfriends.(介绍你的家人和朋友们）1.Isthis/that…?意为“这/那是……吗？”是一般疑问句，应用Yes,itis.或No,itisn't.来回答。—Isthisyourgrandmother?—Yes,itis./No,itisn’t.【Yes,sheis./No,sheisn’t】2.Arethese/those…?应用Yes,theyare.或No,theyaren’t.来回答。—Aretheseyourbrothers?—Yes,theyare./No,theyaren’t.一般疑问句1.—IsthatyoursisterAnna?—No,______isn’t.A.itB.theyC.he2.—Aretheseyourgrandparents?—Yes,_____are.A.theseB.theyC.those3.Look!That'smy_______.Thosearemyparents.A.familyB.brothersC.friends1.Thesearemybrothers.否定回答Aretheseyourbrothers?No,theyaren’t.将下列句子改成一般疑问句，并做相应回答。2.Thisisherfriend.否定回答Isthisherfriend?No,itisn’t.3.SheisMike’smother.肯定回答IssheMike’smother?Yes,sheis.A:That’smyfamily.Thosearemyparents.B:Who’sshe?A:She’smysister.Oh,andthesearemybrother.1c1.who’s=whois2.who:“谁”，特殊疑问词之一，作句中做主语时，构成问人的特殊疑问句:who+be动词+代词。e.g.Whoareyou?你是谁？I’m…Whoisshe/he?她/他是谁？She/Heis…Whoarethey？他们是谁？Theyare…Whoisthis/that?这/那是谁？This/Thatis…Whoarethese/those?这些/那些是谁？These/Thoseare…Theyare…3.who在句中作其他成分时，其句子结构为Who+一般疑问句e.g.—Whoisthatgirl?—Sheismyfriend,Gina.Usefulsentences(核心句型)•This/Thatismy/his/her/XX’s...•These/Thosearemy/his/her/XX’s...•Isthis/that…?Yes,itis.No,itisn’t.It’s...•Arethese/those…?Yes,theyare.No,theyaren’t.Theyare…•Whoareyou?I’m…•Whoisshe/he?She/Heis…•Whoarethey？Theyare…•Whoisthis/that?This/Thatis…She/He/Itis…•Whoarethese/those?These/Thoseare…Theyare…1.IamKelsey.2.Theyareinthelostandfoundcase.3.Hertelephonenumberis563902.4.Thisdictionaryisblack.5.Myfatherisverywelltoday.6.AlanisinRowFive.7.That’sablackandwhitecat.8.Mycousinistwenty-fouryearsold.划线提问.areyou?arethey?isherphonenumber?isthisdictionary?isyourfathertoday?isAlanin?WhoWhereWhatWhatcolorHowWhatrowisthat?Whatisyourcousin?Howold特殊疑问句=疑问词+简短一般疑问句()1.Thisishebrother.____ABCD()2.Thoseismygrandparent._____ABCD选出错误的一项并改正。CAhisThatExercise()3.TomandIamgoodfriends.____ABCD()4.IsAliceyoursister?No,itisn’t.___ABCDBDaresheWell,haveagoodday!祝你过得愉快！Haveagoodday!(=Haveaniceday!)是一句祝福的话语，意为“祝你过得愉快”。经常用于谈话或打电话结束时向对方表示祝福，对方常会回答“You,too.”，意为“也祝你过得愉快”。You,too.（）1．Isheyourfriend?Yes,________.A．itisB．itisn’tC．heisD．heisn’t（）2．Isthisyourfather?No,________.A．itisB．itisn’tC．heisD．heisn’t（）3．Isthatyour________?A.apictureB.pictureC.picturesD.nicepictures（）4．Are________Kate’s________?A.this,bookB.that，bookC.these,booksD.those,book（）5.IsGuoPengyourbrother?________.A.Yes,itisB.No,itisn’tC.Yes,sheisDNo,heisn’t（）6．Annaisnotmysister.________myfriend.A.HeB．He’sC．SheD．She’sCBBCDD（）7．Is________yourmother?What’s________name?A．he，hisB.she，herC．he，herD．she，his（）8．Whatarethose?________.A．TheyareappletreesB.TheyareapplestreesC．ThoseareappletreesD.Thoseareapplestrees()9.Yourfatherhasa_______.Heisnice.A.sisterB.brotherC.motherBAB()10.That____mysister.Andthose_____mybrothers.A.are;isB.is;areC.is;isD.are;areB（）11.Are___Kate’s________?A.this,bookB.that，bookC.these,booksD.those,bookC()12.Arethoseyourbags?AYes,theyare.B.Yes,theyaren’tC.Yes,thoseareD.No,theyareA可数名词的复数形式。a.可以直接以数字计算的名词称为可数名词，可数名词有单数和复数两种形式。b.对可数名词来说，当表示一个人或事物时用单数形式；表示两个或两个以上的人或事物时则用复数形式。c.单数名数名词变为复数名词有以下规则：oneorangetwoorangesthreeboysoneboyonepenfourpens+sbox----boxeswatch----watchesfish----fishes+esdictionary-----dictionariesbaby—babiesfamily—families(y-i)+eshero----heroestomato----tomatoesphoto----photosO结尾有生命+es无生命+sleaf----leavesknife----knives(f/fe-v)+es名词单数变复数的变化规则：①一般情况下在词尾加s如pen→pens②以x,s,ch,sh,ss结尾的词加es。如watch→watches③以o结尾地词加s(无生命)或者es（有生命）。如photo→photos,tomato→tomatoes④以辅音字母加y结尾的单词，变y为i再加es。如family→families【key---keys】⑤以f或fe结尾的词，变f或fe为v再加es。如knife→knivesman→men(男人)一、写出下列单词的复数形式1.parent________2.sister________3.brother_______4.this________5.that________6.photo________7.family_______8.bus_________9.watch________10.girl_________11.potato_______12.dog_________parentssistersbrothersthesethosephotosfamiliesbuseswatchesgirlspotatoesdogs请把单数意义的句子变为复数意义的句子。1.Thisisawatch.2.Isthatherkey?3.Istheboyyourfriend?4.Thatismyphoto.5.Thisishispencilcase.Thesearewatches.Arethoseherkeys?Aretheboysyourfriends?Thosearemyphotos.Thesearehispencilcases.grandmothergrandfatherauntunclemotherfathercousincousinsisterbrother(daughter)(son)familytreeI1.sistersoncousingrandfathermotheraunt/grandmother(1)(2)(3)(4)(5)(6)father/uncle/daughter()daughter()(brother)grandfathermotherauntsistercousinson1.Lucyisagirl.Sheisherfather’s_________.2.Jimishisfather’s________.3.Myfather’ssisterismy.4.Kate’sfather’sbrotherisher_________.5.Tim’sfatherismyuncle,soTimismy________.6.Hisparentsarehis______and_______7.Mygrandparentsaremy___________and____________.daughtersonauntunclecousinmotherfathergrandfathergrandmother1)Myfather’smotherismy__________.2)Myfather