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be动词和实义动词的区别1、be动词:是...含有be动词的句子在进行否定、疑问句变化时，都要在be动词上变化。(1)变为否定句：主语+be+not+其他。即，直接在be后not.①I’maChineseboy.(变为否定句)②Youaregood.(变为否定句)③Heisstrictwithus.(变为否定句)④SheisfromAmerica.(变为否定句)以上四个句子中都含有am、is或are，变否定句时，直接在am、is、are后面加上not.即：①I’mnotaChineseboy.②Youarenotgood.③Heisnotstrictwithus.④SheisnotfromAmerica.(2)变为一般疑问句：Be+主语+其他？即把be动词提到主语的前面。注意：当肯定句主语为第一人称I和We时，变一般疑问句要变为第二人称，be动词也要相应的变为are.同样肯定句中的my和our也要变为your.①Iamaboy.(变为一般疑问句)→Areyouastudent?②Wearegoodfriends.(变为一般疑问句)→Areyougoodfriends?③SheisfromAmerica.(变为一般疑问句)→IsshefromAmerica?④Heisstrictwithus.(变为一般疑问句)→Ishestrictwithus?(3)变特殊疑问句：一般的要求为“对划线部分提问”，即用特殊疑问词代替划线的部分，后接省略划线部分的一般疑问句（一般不再出现划线部分）。如：①I’mwell.（对划线部分提问）→Howareyou?②SheisfromAmerica.（对划线部分提问）→Whereisshefrom?一、在下面的短文中填上恰当be动词。I______agirl.Myname_______Mary.I______inClass2,Grade7.I______12yearsold.Here______myfamilyphoto.Look!These______myparentsandthose_______mygrandparents.Thisboy______mybrother.He________15yearsoldnow.That______mycat,Mimi.It______verylovely.二、在下面的题目中填上恰当的Be动词。1.I________fromAustralia.2.She_______astudent.3.JaneandTom_________myfriends.4.Myparents_______verybusyeveryday.5.He________atschool.6.We________students.7.They________fromChina.8.YangLing________elevenyearsold.9.Where________yourfriends?10.Howold__________youlastyear?11.Tenandtwo________twelve.2。实义动词，也叫行为动词。（1）肯定句：①Ihaveabluebook.②Hehasabrother.③Shewantstobeateacher.④Theyliketoplaybasketball.(2)否定句：主语+don’t/doesn’t+动词原形。其中do/does为助动词，是来帮助实义动词构成否定或疑问句的，但加了do/does后，其后面的动词必须用动词原形。①Ihaveabluebook.（变为否定句）→Idon’thaveabluebook.②Hehasabrother.（变为否定句）→Hedoesn’thave③Shewantstobeateacher.（变为否定句）→Shedoesn’twanttobeateacher.④Theyliketoplaybasketball.（变为否定句）→Theydon’tliketoplaybasketball.(3)一般疑问句：Do/Does+主语+动词原形+其他？句中加了do/does后，其后面的动词还是必须用动词原形。①Ihaveabluebook.(变为一般疑问句)→Doyouhaveabluebook?②Hehasabrother.(变为一般疑问句)→Doeshehaveabrother?③Mybrotherdoeshishomeworkbeforesupper.(变为一般疑问句)→Doesyourbrotherdohishomeworkbeforesupper?④Shewantstobeateacher.(变为一般疑问句)→Doesshewanttobeateacher?⑤Theyliketoplaybasketball.(变为一般疑问句)→Dotheyliketoplaybasketball?(4)特殊疑问句：特殊疑问词+一般疑问句？①YoursisterlikesEnglishbestbecauseit’sinteresting.(对划线部分提问)→WhydoesyoursisterlikeEnglishbest?②Hedoeshishomeworkbeforesupper.(对划线部分提问)→Whendoeshedohishomework?注意：当含有and引导的短语在句中做谓语或宾语，我们把这类句子变否定句时，必须把and变为or.如：(1)Hecanswimanddance.（变为否定句）→Hecan’tswimordance.(2)MyfatherlikesEnglishandmath.（变为否定句）→Myfatherdoesn’tlikeEnglishormath.一：认一认,读一读（请分辨哪些是第三人称单数并圈出）TonyfriendmyfatherJennyGogoandTomitthecatmyteachertheyyoumybrothersantantsshehefatherandmothermybrothermybrothersfriendsyoursisteryoursistersteachersOlina二：填一填，读一读（用do和does/don’tdoesn’t填空）youlikesoccer?Yes,I.theylikeping--pong?Yes,they.TonyandBenlikebaseball?No,they.yourfriendsliketennis?Yes,they.Jennylikeplayingtheguitar?Yes,she.综合练习：I.用be动词的适当形式填空1.__________yourfatheraworker﹖Yes,he__________.2.They__________intheclassroom．3.Where__________mybooks﹖4.These___________herpears.5.Howmuch_________theT-shirt?6.Howmuch__________thesocks?7.Ourmother_________fortylastyear.8.Youcan_________inourschoolmusicclub.9.Let's___________friends.10.HeandI_________friends.11.Someone__________intheroom.12.There____someapplesonthetableyesterday.II．划出每句中正确的词1.(Is/Are)hiseraseronthesofa?2.(Where/What)areyourbaseball?3.(Do/Does)Maryhaveaclock?4.(Are/Do)theywanttoseeamovie?6.I(don't/doesn't)likehamburgers.7.WhydoesAlice(likes/like)music?8.Who(am/is)yourfather?9.(What/What's)herfavoritesubject?10.Howmuch(are/is)hersocks?11.I(am,is,was,were)busylastweek.12.TomandI(am,are,was,were)lateforschoolyesterday.13.I(walk,walks,walked,walking)toschoollastSaturday.14.Rose(doesnot,didnot,)visitherunclelastmonth.15.There(is,was,are,were)alotofpeopleovertheretenyearsago.II.用括号内动词的适当形式填空。1.Heoften________(have)dinnerathome.2.DanielandTommy_______(be)inClassOne.3.We_______(notwatch)TVonMonday.4.Nick_______(notgo)tothezooonSunday.5.______they________(like)theWorldCup?6.What_______theyoften_______(do)onSaturdays?7._______yourparents_______(read)newspaperseveryday?8.Thegirl_______(teach)usEnglishonSundays.9.SheandI________(take)awalktogethereveryevening.10.There________(be)somewaterinthebottle.11.Mike_______(like)cooking.12.They_______(have)thesamehobby.13.Myaunt_______(look)afterherbabycarefully.14.Youalways_______(do)yourhomeworkwell.15.I_______(be)ill.I'mstayinginbed.16.She_______(go)toschoolfromMondaytoFriday.17.LiuTao_______(do)notlikePE.III.改错(划出错误的地方，将正确的写在横线上)1.IsyourbrotherspeakEnglish?__________________2.Doeshelikesgoingfishing?__________________3.Helikesplaygamesafterclass.__________________4.Mr.WuteachsusEnglish.__________________5.Shedon'tdoherhomeworkonSundays._________________V、模仿Eg.Thatisabook.否定句：Thatisnotabook.疑问句：Isthatabook？回答：Yes,itis./No,itisn’t.Thisisacoat.否定句：疑问句：回答：Iamastudent.否定句：疑问句：回答：Theseareappless.否定句：疑问句：回答：