小学英语语法及练习1——-be动词的用法.doc

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1、一、口诀：我用am,你用are,is用在他她它，复数全用are。例题：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.Heisateacher.Heisnotateacher.Sheisinthediningroom.Sheisnotinthediningroom.Myhairislo

2、ng.Myhairisnotlong.Hereyesaresmall.Hereyesarenotsmall.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）

3、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：I_______atschooljustnow.2.He________atthecamplastweek.3.We________studentstwoyearsago.4.They________onthefarmamomentago.5.YangLing________elevenyearsoldlastyear.6.Themobilephone_______onthesofayesterdayevenin

4、g.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____________-somepeopleunderthethebigtree.4、There___________apicture

5、andamaponthewall.六、综合练习用恰当的be动词填空。1.Themanwithbigeyes_______ateacher.2.______yourbrotherintheclassroom?3.Where_____yourmother?She______athome.4.How_______yourfather?5.MikeandLiuTao______atschool.26.Whosedress______this?7.Whosesocks______they?8.That______myredskirt.9.Who______I?10.Here_

6、_____ascarfforyou.11.Here______somesweatersforyou.12.Theblackgloves______forSuYang.13.Thispairofgloves______forYangLing.14.Thetwocupsofmilk_____forme.15.Sometea______intheglass.16.Gaoshan'sshirt_______overthere.句型转换1.Itwasexciting. 否定句：________________________________________________一般

7、疑问句：____________________________________________肯、否定回答：__________________________________________2.Allthestudentswereveryexcited. 否定句：________________________________________________一般疑问句：____________________________________________肯、否定回答：__________________________________________课后练