School and Friends單元語法聚焦一be動(dòng)詞(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.他們都非常友好。4Is it a ruler?No, it isn't.“它是一把尺子嗎？”“不，不是?！?What's that？那是什么？通過觀察這些教材中的句子，我們可以看到這三個(gè)詞：am, is和are。am, is和are是be動(dòng)詞的三種形式，意為“是”。本單元我們重點(diǎn)學(xué)習(xí)be動(dòng)詞的用法。be動(dòng)詞形式適用的人稱縮寫amII'mishehe'ssheshe'sitit'sthis/that/his namethat's/his name's(this is不能縮寫)areyou/we/theyyou're/we're/they're通過表格可以看出：be動(dòng)詞的形式隨主語的變化而變化，具體如下：1主語是第一人稱單數(shù)I(我)時(shí)，be動(dòng)詞用am, I am可縮寫為I'm。例如：I am/I'm a girl. 我是一個(gè)女孩。2主語是第三人稱單數(shù)、可數(shù)名詞單數(shù)或不可數(shù)名詞時(shí)，be動(dòng)詞用is。he is, she is, it is和that is可分別縮寫為he's, she's, it's 和that's，this is不可以縮寫。例如：He is/He's my teacher. 他是我的老師。Her name is/Her name's Jenny. 她的名字是詹妮。注意：(1)be動(dòng)詞還可與其他詞縮寫，例如：what iswhat's, there isthere's等。be動(dòng)詞也可與not縮寫，例如：is notisn't, are notaren't。 但am與not 不能縮寫。(2)句中有be動(dòng)詞時(shí)，變否定句時(shí)，在be動(dòng)詞后加not；變一般疑問句時(shí)，把be動(dòng)詞提到主語之前。例如：I am not in Class One. 我不在一班。Is this your book? 這是你的書嗎？3主語是you(we, they, she and I, these等)或可數(shù)名詞復(fù)數(shù)(seven coats, many pencils等)時(shí)，be動(dòng)詞用are。例如：They are my friends. 他們是我的朋友。記憶口訣我(I)是am, 你(you)是are, is連著他(he)她(she)它(it)，單數(shù)is, 復(fù)數(shù)are，不要混淆要牢記。.用be動(dòng)詞的適當(dāng)形式填空1What _ your name?2I _ fine, thanks.3Wang Fang and I _ in the library.4How _ your mother?5Danny and I _ in the library.6This _ my picture.7Their rulers _ white.8The pen _ Li Ping's.9_ you a teacher?No, I _ a student.10I _ a boy. Yiyi _ a girl.單項(xiàng)填空()1.You _ fine, and I _fine, too.Ais; areBare; amCare; is Dam; is()2.This _ my good friend. She _ a student.Aare; is Bis; isCam; is Dis; am()3.How _ her friends?Aare BamCis Dbe()4._ Lily and Lucy twins?Yes.AAm BIsCAre DBe()5.Are they your classmates?No, _Athis isn't BI'm notCthey aren't Dthey are()6.“I” _ a letter(字母) in English.Ais Bam CareDbe()7.Are you Wang Hong?_. I'm Jenny.ANo, I'm notBNo, I amCI am Wang HongDYes, I'm()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.Abe BisCam Dare.按要求完成下列各題，每空一詞1I am from China.(改為一般疑問句)_ _ _ China?2She is my homeroom teacher.(改為否定句)_ _ _ my homeroom teacher.3This is a red pen.(改為復(fù)數(shù)句)_ _ _ _4They are my good friends.(改為一般疑問句)_ _ _ good friends?5Those are our desks.(改為否定句)_ _ _ our desks.話題歸納1.Greetings and Saying Goodbye(問候與告別)(1)問候。英語中，問候有多種表達(dá)方法：How do you do？(初次見面常用語。答語：How do you do？)How are you？(比較熟悉的人之間的常用語。答語：Fine, thank you.)Hello！(口語。答語：Hello！)Hi！(口語。答語：Hi！)Good morning/afternoon/evening/night.(早、中、晚問候語。答語：Good morning/afternoon/evening/night.)(2)告別。英語中，告別也有多種表達(dá)方法：Goodbye！(答語：Goodbye/Bye­bye/Bye！)See you tomorrow！(答語：See you tomorrow！)See you later！(答語：See you later！)2Introductions(介紹)(1)英語中，向他人介紹某人時(shí)，常用“This is”這一句型。例如：Mum，this is my friend.媽媽， 這是我的朋友。(2)已被介紹認(rèn)識(shí)的雙方常用“Nice to meet you.”(見到你很高興。)來相互表示友好，可以用“How do you do？”(你好)來互相問候。3Giving thanks(表達(dá)感謝)英語中，表達(dá)感謝常用Thanks./Thank you(very much)答語有多種。例如：You're welcome./That's OK./That's all right./My pleasure./Not at all./It's nothing./No problem.詳解詳析【實(shí)戰(zhàn)演練】.1.is2.am3are4.is5are6.is7are8.is9Are; am10.am; is .15BBACC610AACAB.1.Are you from2She is not3These are red pens4Are they your5Those are not7