PAGEPAGEPAGE4Unit1SchoolandFriends单元语法聚焦一be动词(am,is,are)在英语中，am，is，are统称为be动词。其中，am与I对应，可缩写为I'm；is对应he，she，it，可缩写为he's,she's,it's;are用于第二人称you及表示复数概念的代词(如：we,they,sheandI,these等)或复数名词(如：sevencoats,manypencils)等以后。记住并理解上面的顺口溜，你便掌握了be动词的用法：“我”用am，“你”用are,is连着“他、她、它”；单数名词用is，复数名词都用are。变疑问，往前提，句末问号莫丢弃。变否定，更容易，be后not莫遗忘。疑问否定任你变，句首大写莫迟疑。Ⅰ.单项选择()1.Peter________aboy'sname.A．isB．areC．beD．am()2.—Where________herrulers?—They________onthedeskoverthere.A．is;isB．is;areC．are;areD．are;is()3.—________youLiPing?—Yes,I________．A．Are;amB．Am;amC．Are;areD．Is;am()4.Tom'sparents________fromCanada.A．isB．amC．beD．are()5.________hisfriendastudent?A．AmB．IsC．AreD．/()6.—________LiMingandWangMeiclassmates?—Sorry,Idon'tknow.A．IsB．AreC．AmD．Be()7.SheandI________goodfriends.A．isB．amC．areD．be()8.—________yourChineseteacherMr.Wang?—Yes.Wealllikehim.A．AreB．IsC．AmD．Be()9.Ourclassroom________bigandbright.A．areB．isC．amD．be()10.—Where________yourbooks,Tom?—Inmyschoolbag.A．isB．amC．beD．areⅡ.用be动词的适当方式填空1．What________hisname?2．Here________twobooks.3．Where________yourschool?4．How________you?5．TomandTim________inthesamegrade.Ⅲ.按要求完成以下各题1．Iamateacher.(改为普通疑问句，并作肯定回答)—________________ateacher?—Yes,________________．2.Thisismypencil.(改为普通疑问句，并作否定回答)—________________yourpencil?—No,________________．3．Sheisagoodgirl.(改为否定句)She________agoodgirl.4.Theboysareintheclassroom.(改为否定句)Theboys________intheclassroom.5．Theyaremybooks.(改为普通疑问句，并作否定回答)—________________________books?—________，________________．Ⅳ.用be动词的适当方式完成短文I1.________anEnglishgirl.Myname2.________Gina.This3.________myfriend.Hername4.________Alice.This5.________mybrother.Hisname6.________Tom.Tom7.________inGradeThree.We8.________inthesameschool.Ourschool9.________bigandbeautiful.Andourteachers10.________nicetous.教师详解详析语法精练Ⅰ.1.A2.C3.A4.D5.B6．B主语“LiMingandWangMei”为两个人，主语为复数，和be动词are连用。7．C8．B主语为“yourChineseteacher”，为单数，故谓语动词运用第三人称单数is。9．B10.DⅡ.1.is2.are3.is4.are5.