系动词be的用法.doc

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1、一．系动词be的同法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单数名词和不可数名词用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，句尾问号要配全（？）应用时多注意缩写形式要牢记：I'm=Iamyou're=youarehe's=heisshe's=sheisit's=itiswe're=weareyou're=youarethey're=theyare......二．Therebe句型1.构成：Therebe...句型表示的是“某

2、处有(存在)某人或某物”，其结构为Therebe(is，are，was,were)+名词+地点状语。例如：Therearefifty-twostudentsinourclass.Thereisapencilinmypencil-case.Therewasanoldhousebytheriverfiveyearsago2注意事项Therebe句型中be动词的形式要和其后的主语在人称和数上保持一致。如果句子的主语是单数的可数名词，或是不可数名词，be动词用“is”“was”。例如：　　Thereisabasketballinthebox.　Thereisalit

3、tlemilkintheglass.　如果句子的主语是复数名词，be动词就用“are”“were”。例如：Therearemanybirdsinthetree.　Thereweremanypeopleinthestreetyesterday.　如果有两个或两个以上的名词作主语，be动词要和最靠近它的那个主语在数上保持一致，也就是我们常说的“就近原则”。例如：　　Thereisanorangeandsomebananasinthebasket.　　Therearesomebananasandanorangeinthebasket.练习题（Be动词）一、在下面的

4、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。（注意Be动词的时态）1.

5、I________fromAustralia.2.She_______astudent.3.JaneandTom_________myfriends.4.Myparents_______verybusyeveryday.5._______thereaChineseschoolinNewYork?6.There_____someglassesonit.7.There________manymonkeysinthemountain.8.There_________abeautifulgardeninourschool.9.I_______atschooljust

6、now.10.He________atthecamplastweek.11.We________studentstwoyearsago.12.They________onthefarmamomentago.13.YangLing________elevenyearsoldlastyear.14.There________anappleontheplateyesterday.15.There________somemilkinthefridgeonSunday.16.Themobilephone_______onthesofayesterdayevening.

7、17.There_________somewaterintheglass.18.There__________somebreadonthetable.19.Where________yourfriendsyesterday?20.Howold__________youlastyear?21.Whichdog________yours?22.Tenandtwo________twelve.、二、句型转换：1.Theyaredoinghousework.(分别改成一般疑问句和否定句)________________________________________

8、__________________________