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1、Unit 3知识点总结一、重点短语pencil boxexcuse methank you for sth.thank you for doing sth.Youre welcome.in the school libraryask.for.a set ofe-mail sb.e-mail sb. at+邮箱地址call sb.call sb. at+电话号码What/How about sth.?What/How about doing sth.?How do you spell.? sb. must do sth.in classroom 3E二、重点语法1.一般疑问句(1)一般疑问句一般
2、翻译为“.吗？”需要对方用yes或no来回答。(2)结构和答语结构be动词 + 主语 +其他？肯定回答Yes, 主语 + be动词.否定回答No, 主语 + be动词和not的缩写（isnt/arent,特殊：No, Im not.).一般疑问句主语为this/that时，答语中主语用it.一般疑问句主语为those/these时，答语中主语用they.在肯定回答时，主语不能与be动词缩写；否定回答时，be动词常与not缩写，但是am与not不能缩写(No,Im not.)2. 物主代词2：名代(1)物主代词的形式人称第一人称第二人称第三人称形代myouryouryourhis/her/its
3、their名代mineoursyoursyourshis/hers/itstheirs注意：两种代词形不同，添个s形变名，his,its不用变，my变mine要记清。(2)用法形代起形容词的作用，用在名词前，后面必须有名词； This is my book.名代起名词作用，其作用相当于一个名词，只能单独使用，不加名词； This book is mine.名代=形代+名词 This is my book. That is yours.名代可放在句末，形代不可放句末。注意：在使用名代时，必须有特定的语言环境，也就是要省略的名词大家已经知道，已经提过。（只有上文提及了某个名词，才会知道名代所指代的
4、事物）(1) 顺口溜:用形或用名，全凭后决定；有名则用形，无名则用名。3. 重点句型Is this your pencil?Yes,it is. Its mine.Is that his blue pen?No,it isnt. Its hers.Are these his books？Yes,they are. Theyre his.Are those your keys?No,they arent. Theyre Bobs.易错考点一、 用括号内单词的正确形式填空1. I find a set of_(key) in the morning.2. He has two nice_(watc
5、h). I have three _(box).3. What about _(ask) Tom.4. Thanks for_(help) me.5. The black watch is_(John).6. They are_(he) book. And that dictionary is_(she).7. Tina is _(they) new friend.8. -Excuse _(I),is that your dictionary? -No,it isnt. Its my_(teacher).9. Please email _(I) at 12345ebdj.10. My bag
6、is blue. What about_(you).11. My sister lost some_(ID-card).12. There are two_(library) in our school.二、 选择介词in;at,for,of填空1. My friend is_China.2. Here are two photos_my family.3. Thanks _your help.4. Call me _1234567.5. E-mail me _123.6. You can ask your teacher_help.7. A set_keys is in the classr
7、oom.8. Is that your computer game_the school library.三、 单项选择1. -My bike is black._yours,Bob? -Mine is black,too.A. WhoB. What aboutC. WhatD. How2. -_? -Yes,it is.A. Whats your name?B. Are you Alice?C. Whats this in English?D. Is this your jacket?3. -Thanks for your help,Jenny. -_.A. SorryB. Thats ri
8、ght.C. OK.D. Youre welcome.4. -_,is this your key? -No,it isnt.A. Excuse me.B. HelloC. Thanks.D. Sorry.5. -Is this _ring? -No,it isnt. Its _.A. your;AlanB. yours;AlanC. your;AlansD. yours;Alans6. -Mary,is that your brothers computer? -No,_is white.A. hisB. heC. hesD. its7. -Are these his pens? -_. T
9、heyre my pens.A. Yes,they are.B. Yes,these are.C. No,they arent.D. No, these arent8. -Is this your pencil? -No,_isnt. Its_.A. this,BobB. that;BobsC. it;BobD. it;Bobs9. -Is this your ruler? -No,its her ruler._is in the pencil box.A. your;MyB. yours;MineC. your;Mine10.A set of keys_in the library.Are
10、they_？A. is;yourB. is;yoursC. are;herD. are;his四、 按要求写句子1. Is this Toms pencil?（做肯定回答）_2. Are these your boxes?（改为同义句）_3. Is this her pencil?（改为同义句）_4. My phone number is 123-5678.（改为同义句）_5. 这支蓝色的钢笔是我的。（完成译句）_五、 将下列句子改为一般疑问句，并作肯定或者否定回答。1. This is my pencil box._2. Thats her green pen._3. These are Janes book._4. Those are my yellow pencil._