人教版英语七年级上册 Unit 3 Is this your pencil 单元语法解析.ppt

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1、Is this your pencil 语法解析,be动词构成的一般疑问句,一调:找到句中的be动词(am , is ,are),把be动调到主语前 This is his book. Is this his book? 二改:句中的主语若含有I (my /we )等第一人称代词时,需将它们改为you (your /you ) This is my pencil . Is this your pencil? 三问号:将句末的句号改为问号,如何将含be动词的肯定句变为否定句,一般将含be动词am, is ,are 的肯定句转化为否定句时,直接在be动词am, is ,are 后加上“not”即可

2、。其他部分不变。e.g.1. This is a ruler . 变:This is not a ruler . 2. I am a student . 变:I am not a student. 3. Tim and I are good friends. 变:Tim and I are not good friends .,口诀,be 动词真伟大,生出am is are .表示否定很简单,not加在be 后边。若要变为疑问句,be应移到主语前。还有一点要注意,句末问号别忘记。,be动词用法口诀,我(I)用am,你(you)用are, is连着他(he),她(she),它(it), 其余单数

3、用(is),复数就用are。,人称代词,This is my ruler.,- Is this your ruler?,- No, it isnt.,Its her ruler.,Conversations:,Yes, it is.Its my schoolbag.,Is this your schoolbag?,Is that your book?,No, it isnt .Its his book.,Are these your pens?,Yes, they are.They are my pens.,Are those your pencil boxes?,No, they arent

4、.They are her pencil boxes.,Use more words in your conversation.,this thatthese those,人称代词,This is my pencil.,This is mine.,名词性物主代词,形容词性物主代词,+,名词,=,pencil,my,mine,+,=,This is his pencil box.,This is his.,This is her schoolbag.,This is hers.,This is your dictionary.,This is yours.,练一练,填一填,1. This is

5、my book. This book is mine.2.That is his dictionary. That dictionary is his.3. Is this her ruler? Yes ,its hers.,2,Practice:use more words in your conversation.,this that these those,pencil pen, book, eraser, ruler, pencil box,schoolbag, dictionary,What about.? “怎么样?” “好吗?”询问消息或征求意见,其后接名词、代词以及动词ing形

6、式。 What about this dictionary? I want to go shopping.What about you?,= How about,询问,征求意见,Thank you for your help,Anna.Youre welcome.,thank you for . =thanks for.,How to say thanks to others? Thank you for your help. Thanks a lot! Thank you very much! Many thanks for your kind help!,How to say 不客气,Yo

7、ure welcome.Its my pleasure.My pleasure.Dont mention it.Not at all.,Whats this?Spell it, please.,Its a watch.,W-A-T-C-H.,Spell it, please.,How do you spell it?,How do you spell “watch”?,ask sb. for sth. 请求,恳求(给予);征求,Lin Hai, A computer game is in the school library. Is it yours? Ask the teacher for

8、it. Mike,Ask the teacher for it.,ask Bob for the book,ask for help,ask her for the money 向她要钱,1 call + 号码 (拨打某电话) Please call 911. 请拨打911.2 call + 某人 (给某人打电话)Call him this afternoon. 今天下午给他打电话。3 call + 某人 + at +电话号码(用这个号码打电话给某人)Call Mary at 236-0388. 请拨打236-0388找玛丽。,Lost: I lost my school ID card. I

9、 must find it. Call me at 685-6034. Thanks. Tom,Is this your watch?My phone number is 495-3539. Call me. John,lost,must,must modal v. (情态动词)必须,用于实意动词之前。 I must find it. You must see the doctor. 你一定要看医生。 对于must 开头一般疑问句,若要作否定 回答,可用neednt,不用mustnt。 Must I find it? 我今晚必须过来吗? Yes, you must. No, you needn

10、t. 不必。,must 后接动词原形,Found: Some keys are in Classroom 7E. Are they yours? E-mail me at maryg2gfimail. com.,at prep. 提供电话号码时使用;在(某处、某时间或时刻),(1) “call/E-mail sb. at + 号码”,(2) at 表示时间,用于钟点前,用于时刻 前,译为 “在.时(刻)”。如:,at threethree oclock 在三点 at a quarter to six 六点差一刻 at noon 在中午at night 在夜晚at midnight 在半夜 at

11、 breakfastlunchsupper 在吃早饭午饭晚饭时,(3) at 表示地点,一般用于较小的地名(方)前,译为 “在.”。如: at home 在家 at the library 在图书馆 (4) at 表示处于.状态,译为 “从 事于.”。如: at school 在上学 at work 在工作,二、单项选择1. Is that your computer game? _ A. Yes, it is B. No, it is.C. Yes, it isnt. 2. A baseball is _ the school library. A. on B. in C. at 3. He

12、r telephone number _ 889-9676. A. am B. is C. are 4. Whats this? _. A. This is a pen. B. Yes, it is. C. Its a key. 5. _ do you spell “ring”? R-I-N-G. A. What B. Who C. How,A,B,B,C,C,1. _ this your _? Yes, _ is. _ mine. 2. _ this? Its _ _. 3. Some _ _ in Classroom 7E. Email me at .4. I lost my school

13、 _ _. I must find it. _ me at 674-2456. 5. _ do you _ that? R-I-N-G.,三、看图补全对话。,Is watch,it Its,Whats,an eraser,keys are,ID card,Call,How spell,1. 这是什么? _ this? 2. 你怎样拼写它? _ do _ spell it? 3. 那只绿色的铅笔是你的吗? _ the green pencil _?4. 一部电脑游戏机在图书馆里。 A _ _ is _ the school library.5. 发电子邮件到我的邮箱。 _ me _ .6. 我把

14、我的书包丢了。I _ my _.,Whats,How you,Is yours,computer game in,四、完成句子。,Email at,lost schoolbag,1. Its her a pen. ( ) A B C D2. Thats a English dictionary. ( ) A B C D3. What do you spell book? ( ) A B C D4. What is you last name? ( ) A B C D5. Is it your ruler? Yes, its. ( ) A B C D,C,B,an,How,A,C,your,D,

15、it is,找出句中错误并改正,【拓展训练】,一、根据要求改写句子。1.This is my pencil.(改为一般疑问句) 2.It is a pencil sharpener.(对划线部分提问) 3.My mother is fine. (同上) 4.Jacks telephone number is 281-9176. (同上),Is this your pencil?,Whats this (in English)?,How is your mother?,Whats Jacks telephone number?,本课配套听力mp3,视频素材,教案、导学案、练习题等资料全册精品课件及试题等资料,请点此到下载,

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