1、1School and Friends单元语法聚焦一 be 动词(am, is, are)的用法1Hello, I m Li Ming!你好，我叫李明！2She s in Class Five.她在五班。3They are very nice.他们都非常友好。4 Is it a ruler?No, it isnt.“它是一把尺子吗？”“不，不是。 ”5What s that？那是什么？通过观察这些教材中的句子，我们可以看到这三个词：am, is 和 are。am, is 和 are是 be 动词的三种形式，意为“是” 。本单元我们重点学习 be 动词的用法。2形式 适用的人称 缩写am I I
2、mhe hesshe shesisit itsthis/that/his namethats/his names(this is 不能缩写)be 动词are you/we/they youre/were/theyre通过表格可以看出：be 动词的形式随主语的变化而变化，具体如下：1主语是第一人称单数 I(我)时，be 动词用 am, I am 可缩写为 Im。例如：I am/Im a girl. 我是一个女孩。2主语是第三人称单数、可数名词单数或不可数名词时，be 动词用 is。he is, she is, it is 和 that is 可分别缩写为 hes, shes, its 和 tha
3、ts，this is 不可以缩写。例如：He is/Hes my teacher. 他是我的老师。Her name is/Her names Jenny. 她的名字是詹妮。注意：(1)be 动词还可与其他词缩写，例如：what is whats, there istheres等。be 动词也可与 not 缩写，例如：is notisnt, are notarent。 但 am 与 not 不能缩写。(2)句中有 be 动词时，变否定句时，在 be 动词后加 not；变一般疑问句时，把 be 动词提到主语之前。例如：I am not in Class One. 我不在一班。Is this you
4、r book? 这是你的书吗？3主语是 you(we, they, she and I, these 等)或可数名词复数(seven coats, many pencils 等)时，be 动词用 are。例如：They are my friends. 他们是我的朋友。记忆口诀3我(I)是 am, 你(you)是 are, is 连着他(he)她(she)它(it)，单数 is, 复数 are，不要混淆要牢记。.用 be 动词的适当形式填空1What _ your name?2I _ fine, thanks.3Wang Fang and I _ in the library.4How _ yo
5、ur mother?5Danny and I _ in the library.6This _ my picture.7Their rulers _ white.8The pen _ Li Pings.9_ you a teacher?No, I _ a student.10I _ a boy. Yiyi _ a girl.单项填空( )1.You _ fine, and I _fine, too.Ais; are Bare; amCare; is Dam; is( )2.This _ my good friend. She _ a student.Aare; is Bis; isCam; i
6、s Dis; am4( )3.How _ her friends?Aare BamCis Dbe( )4._ Lily and Lucy twins?Yes.AAm BIsCAre DBe( )5.Are they your classmates?No, _Athis isnt BIm notCthey arent Dthey are( )6.“I” _ a letter(字母) in English.Ais Bam Care Dbe( )7.Are you Wang Hong?_. Im Jenny.ANo, Im not BNo, I amCI am Wang HongDYes, Im(
7、)8.Miss Gao _ our teacher. She _ tall.Aare; are Bare; isCis; is Dis; are( )9.They _ new students. We_ not new.Aare; are Bare; amCare; is Dam; is( )10.Here _ my list.5Abe BisCam Dare.按要求完成下列各题，每空一词1I am from China.(改为一般疑问句)_ _ _ China?2She is my homeroom teacher.(改为否定句)_ _ _ my homeroom teacher.3This
8、 is a red pen.(改为复数句)_ _ _ _4They are my good friends.(改为一般疑问句)_ _ _ good friends?5Those are our desks.(改为否定句)_ _ _ our desks.话题归纳1.Greetings and Saying Goodbye(问候与告别)(1)问候。英语中，问候有多种表达方法：How do you do？(初次见面常用语。答语：How do you do？)How are you？(比较熟悉的人之间的常用语。答语：Fine, thank you.)Hello！(口语。答语：Hello！)Hi！(口语
9、。答语：Hi！)Good morning/afternoon/evening/night.(早、中、晚问候语。答语：Good morning/afternoon/evening/night.)(2)告别。英语中，告别也有多种表达方法：Goodbye！(答语：Goodbye/Byebye/Bye！)See you tomorrow！(答语：See you tomorrow！)6See you later！(答语：See you later！)2Introductions(介绍)(1)英语中，向他人介绍某人时，常用“This is”这一句型。例如：Mum，this is my friend.妈妈，
10、 这是我的朋友。(2)已被介绍认识的双方常用“Nice to meet you.”(见到你很高兴。)来相互表示友好，可以用“How do you do？”(你好)来互相问候。3Giving thanks(表达感谢)英语中，表达感谢常用 Thanks./Thank you(very much)答语有多种。例如：Youre welcome./Thats OK./Thats all right./My pleasure./Not at all./Its nothing./No problem.7详解详析【实战演练】.1.is 2.am 3are 4.is 5are 6.is 7are 8.is 9Are; am 10.am; is .15 BBACC 610 AACAB.1.Are you from 2She is not3These are red pens 4Are they your5Those are not
