1华兴教育小学英语讲义be动词的用法及简写简缩形式的变法一。在肯定句中一般把首字母换成’Iam=I’mheis=he'stheyare=they'resheis=she’sweare=we’reitis=it’sLetus=Let’sThatis=that’swhatis=what’swhois=who’swhereis=where’s注：Ｉwould=I’d(would里只留一个ｄ)Iwill=I’ll(will中留两个ll)月份都是保留前三个字母当然第一个字母要大写注：Thisis没有缩写二否定句的简写，否定句一般加not,只要把not中的o换成’就好了二，be动词的用法：我用am,你用are,is用在他她它，复数全用are。（不是我不是你不是复数）三把肯定句变成否定句直接在be动词后加not变成一般疑问句把be动词提前到句首然后后面加？相应练习用is、am、are填空1、Yeah,she______astudent.2、I______Jenny.He______Peter.3、Howold______you?I’mten.4、_______thisacat?5、You_____myfriend.6、What_____this?It’sacat.课堂小测试10、月份缩写用单词前三个字母，如January=Jan.一月，February=Feb.二月isn’t=isnotaren’t=arenotcan’t=cannotdon’t=donotdoesn’t=doesnotdidn’t=didnotwon’t=willnotwasn’t=wasnotweren’t=werenotcouldn’t=couldnotshouldn’t=shouldnotwouldn’t=wouldnot2华兴教育一、用am,is,are填空。1.I________Kitty.She_______astudent.2.JaneandTom_________myfriends.Mysisters_______tall.3._______thereatableintheroom?4.There_____someglassesonit.5.There________manymonkeysinthezoo.二、写出下列完全形式的简缩形式。Iam=_____heis=_____theyare=_____sheis=_____weare=_____Whatis=_____letus=_____isnot=_____arenot=_____Itis=_____课后练习一、写出下列完全形式的简缩形式。weare=_____whatis=_____theyare=_____heis=_____letus=_____arenot=_____1、myfather_____adoctor.我父亲不是一名医生。2、_____yourname？你叫什么名字？3、_____agirl.我是一名女孩。4、they_____brother.他们不是兄弟。二、用am,is,are填空。I___She___They___We___HeYou___Here___theseThatThose1.There_________abeautifulrainbowinthesky.2.I_______atschoolnow.We________students.3.They________inthezoo.4.YangLing________tenyearsold.5.There________anappleontheplate.6.There________somemilkintheglass7.Thecat_______onthechair.8.Where________yourfriends?Howold__________you?9.____sheKitty?_____youChinese?10、It_____acar.1.I______aboy.______youaboy?No,I_____not.2.Thegirl______Jack'ssister.3.Thedog_______tallandfat.4.Thejeans______onthedesk.二、有be动词的肯定句和否定句IamfromLondon.IamnotfromLondon.3华兴教育Heisateacher.Heisnotateacher.Sheisinthediningroom.Sheisnotinthediningroom.Myhairislong.Myhairisnotlong.Hereyesaresmall.Hereyesarenotsmall.归纳：在有be动词的句子中，改否定句时只要在be动词______加上_____。三、有be动词的一般疑问句AmIaChinese?Yes,youare.No,youaren’t.AretheyAmerican?Yes,theyare.No,theyaren’t.Isthecatfat?Yes,itis.No,itisn’t.四、Be动词在一般过去时中的变化：am--wasis--wasare--were⑴am和is在一般过去时中变为was。（wasnot=wasn’t）⑵are在一般过去时中变为were。（werenot=weren’t）⑶带有was或were的句子，其否定、疑问的变化和is,am,are一样，即否定句在was或were后加not，一般疑问句把was或were调到句首。例题：1.I_______atschooljustnow.2.He________atthecamplastweek.3.We________studentstwoyearsago.4.They________onthefarmamomentago.5.YangLing________elevenyearsoldlastyear.6.Themobilephone_______onthesofayesterdayevening.2.五、therebe句型中be动词的用法1、在therebe句型中，主语是单数，be动词用is；主语是复数，be动词用are；如有几件物品，be动词根据最近be动词的那个名词决定。2、therebe句型的否定句在be动词后加not，一般疑问句把be动词调到句首。例题：1、There___________alotofsweetsinthebox.2、There___________somemilkintheglass.3、There____________...
