1、Unit 1 School and Friends,单元语法聚焦一 be动词(am, is, are)的用法,Unit 1 School and Friends,教材典句,1Hello, Im Li Ming!你好，我叫李明！ 2Shes in Class Five.她在五班。 3They are very nice.他们非常友好。,单元语法聚焦一,4Is it a ruler? No, it isnt.“它是一把尺子吗？”“不，不是。” 5Whats that？那是什么？,单元语法聚焦一,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
2、种形式，意为“是”。本单元我们重点学习be动词的用法。,语法探究,单元语法聚焦一,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。,单元语法聚焦一,2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thats，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 J
3、enny. 她的名字是詹妮。,单元语法聚焦一,注意：(1)be动词还可与其他词缩写，例如：what iswhats, 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 your book? 这是你的书吗？,单元语法聚焦一,3主语是you(we, they, she and I, these等)或可数名词复数(seven c
4、oats, 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 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。,单元语法聚焦一,实战演练,.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 _ your mother?,单元语法聚焦一,is,am,are,is,5Danny and I _ in the li
5、brary. 6This _ my picture. 7Their rulers _ white. 8The pen _ Li Pings. 9_ you a teacher?No, I _ a student. 10I _ a boy. Yiyi _ a girl.,单元语法聚焦一,are,is,are,is,Are,am,am,is,.单项填空 ( )1. You _ fine, and I _fine, too. Ais; are Bare; am Care; is Dam; is ( )2. This _ my good friend. She _ a student. Aare; i
6、s Bis; is Cam; is Dis; am,B,B,单元语法聚焦一,( )3.How _ her friends? Aare Bam Cis Dbe ( )4._ Lily and Lucy twins? Yes. AAm BIs CAre DBe,A,C,单元语法聚焦一,( )5. Are they your classmates? No, _ Athis isnt BIm not Cthey arent Dthey are ( )6. “I” _ a letter(字母) in English. Ais Bam Care Dbe,C,A,单元语法聚焦一,( )7.Are you W
7、ang Hong? _. Im Jenny. ANo, Im not BNo, I am CI am Wang Hong DYes, Im ( )8.Miss Gao _ our teacher. She _ tall. Aare; are Bare; is Cis; is Dis; are,A,C,单元语法聚焦一,( )9.They _ new students. We_ not new. Aare; are Bare; am Care; is Dam; is ( )10.Here _ my list. Abe Bis Cam Dare,A,B,单元语法聚焦一,.按要求完成下列各题，每空一词
8、 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.,单元语法聚焦一,Are you from,She is not,3This 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.,单元语法聚焦一,These are red pens,
9、Are they your,Those are not,话题归纳,单元语法聚焦一,1. 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.),单元语法聚焦一,Hello！(口语。答语：Hello！) Hi！(口语。答语：Hi！) Good morning/afternoon/evening. (早、中、晚问候语。答语：Good morning/afternoo
10、n/evening.),单元语法聚焦一,(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！) See you later！(答语：See you later！),单元语法聚焦一,2Introductions(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， 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。,单元语法聚焦一,3Giving 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.,
