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1、三年级语法练习Be动词用法口诀一：Be有am,is,are我(I)用am你(you)用areis连着他(he)她(she)它(it)我们(we)你们(you)他们(they)要用are单数名词用is复数形式要用are变否定真容易be后not为标记变问句be提前，句尾问号要配（？）Be动词用法口诀一：Be动词，小管家，管着am,isare;am跟I；is跟he,she,it,它；are跟we,they,you,加复。应用时多注意缩写形式要牢记：I'm=Iamyou're=youarehe's=heisshe's=sheisi
2、t's=itiswe're=weareyou're=youarethey're=theyare......一．用Be动词的适当形式填空1.I______aboy.______youaboy?No,I_____not.2.Thegirl______Jack'ssister.3.Thedog_______tallandfat.4.______yourbrotherintheclassroom?5.Where_____yourmother?She______athome.6.How_______yourfather?7.Mike
3、andLiuTao______atschool.8.Whosedress______this?89.Whosesocks______they?10.That______myredskirt.11.Who______I?12.Thejeans______onthedesk.13.There______ascarfforyou.14Thetwocupsofmilk_____forme.15Gaoshan'sshirt_______overthere.16Mysister'sname______Nancy.17This_____
4、_notWangFang'spencil.18There______agirlintheroom.19There______someapplesonthetree.20_______thereanykitesintheclassroom?21There_______aboy,twogirls,threemenandtenwomeninthepark.二、句型转换：1.TheyAretheydoinghousework.(改成否定句)______________________________________________
5、______________2．Arethestudentscleaningtheclassroom?(作肯定和否定回答)_______________________________________________3.Tomisunderthetree.（变为否定句）4.Theskateboardsareblack.(改成否定句)7.Sheisagoodstudent.(改为一般疑问句，作否定回答).8一、Doyou…?的用法。如：DoyouusechopsticksinEngland?肯定回答：Yes,wedo.否定回
6、答：No,wedon’t.这个句型是在询问某人是否做某事的情况下用的，在回答这类疑问句时，注意人称和肯定、否定用法就可以了。二、现在进行时态的用法。特殊疑问句：特殊疑问词+be+主语+动词ing？如：Whatareyoudoing?陈述句：主语+be+动词ing.Eg:Whatareyoudoing?---Weaboat.A.aremakingB.ismakingC.makes三、Can引导的疑问句及陈述句的用法。（第四模块、第五模块）。Can+主语+dosth?(回答的时候，保持主语，肯定否定的一致)如：Canyouru
7、nfast?肯：Yes,Ican.否：No,Ican’t.8Eg:CanIhaveacake?------A.Yes,youcan.B.No,youcan.C.Yes,Ican’t.四、将来时态be+goingto的用法。陈述句，主语+be+goingtodo….如：I’mgoingtorunarace.我将要参加赛跑。主语+be+goingtobe….如：I’mgoingtobeadoctor.我要成为一名医生。一般疑问句：be+主语+goingtodo…?如：AreyougoingtogotoHongKong?肯：Ye
8、s,Iam.否：No,I’mnot.特殊疑问句：特殊疑问词+be+主语+goingto…?如：Whatareyougoingtodo?答：I’mgoingto….特殊疑问词：what什么（问东西）how怎样（问身体健康和方式）when什么时间（问时候）who谁（问人）8where在哪里（问地点）why为
