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1、人教版初中英语七年级上册Unit 3知识点讲义（含巩固练习）初中英语 教研室整理Unit 3 Is this your pencil?Section A1.- Is this your pencil? 译为“这是你的铅笔吗？”- Yes, it is./ No, it isnt. 译为“是的,它是./ 不，它不是.”当this/that在疑问句中作主语时，回答需要用it代替，切不可用this/that 回答。Eg: - Is that your schoolbag?- Yes, it is./ No, it isnt.2.- Are these your books? 译为“这些是你的书吗？”
2、- Yes, they are./ No, they arent. 译为“是的，它们是./不，它们不是.”当these/those在疑问句中作主语时，回答需要用they代替，切不可用these/those回答。Eg: - Are those your rulers?- Yes, they are./ No, they arent.- What are these?- They are erasers.3.Excuse me. 译为“劳驾，请原谅。”该句子常用来向不熟悉的人打听情况或提出请求；也可用来客气地打断别人的话；也可用来礼貌的询问问题等。Eg: Excuse me, could you
3、tell me how to get to the bus station?译为“劳驾，请问你能告诉我怎么到公交车站吗？”4.What about . = How about. 译为：“.怎么样/.呢？”注意：后面需要接名词、代词或动名词。Eg: What/How about you? 译为“你呢？”What/How about this dress? 译为“这件连衣裙怎么样？”What/ How about going swimming? 译为“去游泳怎么样？”5.Thank you for your help. 译为“谢谢你的帮助。”Thank you for . 译为“谢谢.” 后面可加
4、名词或动名词。Eg: Thank you for helping me with my English. 译为“谢谢你帮我学英语。”6.help (动词/名词) 译为“帮助”作动词时用法：help sb. (to) do sth. = help sb. with sth. 译为“帮助某人做某事”Eg: Please help me (to) learn English.= Please help me with my English. 译为：“请帮我学英语。”作名词时用法：with the help of. 译为“在.的帮助下”Eg: I improve my English with the
5、 help of my English teacher.译为“在我英语老师的帮助下提高了我的英语。”7.Youre welcome. 译为“不客气。”用来作Thank you. 的答语。类似的句子还有：(Its) my pleasure. = No problem. = Dont mention it. = Not at all.8.Welcome (动词/名词) 译为：“欢迎.” (形容词) 译为：“受欢迎的”作形容词时：Youre welcome. 译为：“不客气。”作动词时用法：Welcome to . 译为：“欢迎来到.”Eg: Welcome to China. 译为：“欢迎来到中国
6、。”作名词时用法：give sb. a warm welcome 译为：“热烈欢迎某人”Eg: This teahouse gives everyone a warm welcome. 译为：“这个茶馆热烈欢迎每一个人。”语法:一、人称代词和物主代词：人称动词不仅指人，也可指物，有人称、数和格的变化，分为主格和宾格两种形式。主格多用作主语；宾格多用作宾语。物主代词表示所有关系的代词，物主代词分为形容词性物主代词和名词性物主代词。第一人称第二人称第三人称单数复数单数复数单数复数主格Iweyouyouhesheitthey宾格meusyouyouhimheritthem我我们你你们他她它他们形容词
7、性物主代词myouryouryourhisheritstheir名词性物主代词mineoursyoursyourshishersitstheirs我的我们的你的你们的他的她的它的他们的（1）人称代词主格在句中一般作主语：Eg: (1)I am a boy. (2)He is forty years old.（2）宾格位于动词和介词之后作宾语。Eg:(1)I like him. (2)I go to school with her.（3）形容词性物主代词相当于形容词，在句中只能作定语修饰名词：使用时放在被修饰的名词前，表示所属关系。Eg: my book; his name在形容词性物主代词修饰
8、的名词前还可以加其它形容词。Eg: my old friend在名词前有形容词性物主代词修饰时，不能用冠词和this, that等Eg: This is my an eraser. () - This is my eraser. ()（4）名词性物主代词具有名词的特性，在句中作主语、表语或宾语。Eg: This is my book. = This book is mine.Is this pencil yours or hers ?- Its mine. Hers (= her pencil) is in her bag.名词性物主代词主语时，谓语动词的数随所指代的人或物的数而定。Eg: -
9、 Whose books are these ?- They are his. Yours are over there.(5)名词所有格常在人名后加s或。Eg: Damings book 大明的书Lily and Lucys mother 丽丽和露西的妈妈（两个人共有一个妈妈）Lilys and Lucys mother 丽丽和露西的妈妈（两个人各自的妈妈）(6) “of +名词物主代词”属双重所有格Eg: afriend of mine 我的一个朋友就物主代词或所有格提问用whose开头Eg: - This is mybook.-Whose book is this?二、名词单数变复数规则
10、：1.规则变化规则：a)一般在词尾加-s, 如：desk- desks, day-days, boy-boysb)以s、sh、ch、x结尾的名词后，一般加-es 如：box - boxes， bus-buses , watch-watchesc)以“辅音+y”结尾的名词，将y变为i再加-es如：family - families, baby - babies, factory - factoriesd)在以f或fe结尾的名词后，大多数是将f或fe变成v再加es；也有一些直接加s。变v加es的有 knife 小刀 - knives; wife 妻子 - wives;self 自己- selves
11、;shelf 架子 - shelves; leaf 叶子 - leaves;e)以元音+o结尾的名词；有生命的加es ；如 potato - potatoes;tomato - tomatoes; hero - heroes; mango - mangoes无生命的加s；如 piano - pianos; photo - photos;2.不规则变化a) 把oo变成ee，如：foot-feet; goose-geese; tooth-teethb)把a变成e, 如：man-men; woman-womenc)要增加字母，如：ox 牛-oxen, child -childrend)需要改变拼写方
12、式， 如：mouse - miceSection B1.in the school library 译为：“在学校图书馆里”2.ask sb. for sth. 译为：“向某人索要某物”Eg: You can ask him for some advice. 译为：“你可以向他咨询一些建议。”ask sb. to do sth. 译为：“要求某人做某事”Eg: My mum asks me to finish my homework first. 译为：“我妈妈要求我先完成我的作业。”Ask some questions 译为：“问一些问题。”3.email sb. At 电子邮箱 译为：“给
13、某人发送邮箱”4.call sb. 译为：“给某人打电话”call sb. At 电话号码 译为：“拨打.找某人”Eg: Call me at 265893. 译为：“拨打265893找我。”5.Lost and Found 译为：“失物招领”in the lost and found box 译为：“在失物招领箱里”6.A set of keys 译为：“一串钥匙”A set of 表示“一套.；一副.”Eg: a set of books “一套书”7.must (情态动词) “必须”情态动词无人称和数的变化，后面必须加动词原形。变为一般疑问句时需将must提前。Eg: She must
14、finish her work in two hours. 译为：她必须两小时内完成工作。变为一般疑问句：Must she finish her work in two hours?习题一、根据句意及首字母或汉语提示完成单词1.E_ me, is this your book?2.My mum allow (允许) me not to play computer _ (游戏).3.Thanks for your h_.4.There are lots of books in the _ (图书馆).5.Please c_ me at 568963.6.You can find your thi
15、ngs in the _ (丢失) and found box.7.There is a s_ of keys on the floor.8.Please show me your _ (身份证).9.Is this book y_?10.You can look up this word in the _ (词典).二、用所给词的适当形式填空1.Thank you for _ (help) me all the time (一直).2.Please pass me the set of _ (key).3.This schoolbag isnt _ (my).4.Can you tell m
16、e where the _ (lose) and found office is?5.What about _ (go) there by train?6.This blue watch is _ (her).7.I must _ (find) my book.8.There are lots of _ (dictionary).9.Excuse _ ( I ), is this your ring?10._ (that) are my books.三、单项选择( )1. - Are those your erasers?- No, _.A.it is B. it isntC. they ar
17、eD. they arent( )2. I must _ there at 9:00 am.A.get B. getsC. to getD. getting( )3. This isnt my dictionary, it is _.A.her B. hersC. sheD. he( )4. I will go to the park tomorrow, _?A.and you B. is itC. what about youD. thank you( )5. - Thank you for your help.- _.A.Youre welcome. B. Sorry.C. Excuse
18、me.D. Hello( )6. - How do you _ “card”?- C- A- R- D.A.call B. spellC. playD. help( )7. Ask the police _ help.A.in B. forC. atD. on( )8. Please call me _ 456892.A.in B. forC. atD. on( )9. This isnt _ watch, maybe it is _.A.my; his B. mine; hisC. my; heD. mine; he( )10. -_, is this your pencil box?- Y
19、es, _. Thank you.A.Excuse me; this isB.Hello, this isC.Excuse me; it isD.Excuse me; it isnt四、翻译句子1.谢谢你的书。_ _ _ your book.2.向你的老师要一下它吧。_ your teacher _ it.3.你怎样拼写它？_ do you _ it?4.拨打568745找我。_ me _ 568745.5.请把那串钥匙给我。Please pass me _ _ _ _.五、句型转换1.These are my ID cards. (变为一般疑问句，并做肯定回答)_ _ _ ID cards
20、?_, _ _.2.This is my schoolbag. (改为同义句)_ _ _ _.3.I must clean the room right now. (变为一般疑问句)_ _ _ the room right now?4.lost; watch; I; my (连词成句)_5.is; library; a; in; school; game; the; computer (连词成句)_六、完形填空A: 1._ me, is this your ring?B: No, 2._ isnt. You can ask Mike.A: OK. Mike, is this your ring
21、?C: Yes, it is.A: And are 3._ your books?C: No, they are 4. _.A: What 5._ this blue pen?C: 6. _ Bobs. And this green book is 7._, too.A: And the eraser? Is this 8._?C: Yes, it is.A: Thank you 9._ your help, Mike.C: Youre 10._.( )1. A. Excuse B. ThankC. Sorry D. Hello( )2. A. this B. thatC. it D. its
22、( )3. A. this B. thatC. it D. these( )4. A. Billys B. BillyC. he D. him( )5. A. in B. aboutC. on D. at( )6. A. Theyre B. This is C. Its D. Thats( )7. A. he B. hisC. him D. hers( )8. A. yours B. youC. your D. she( )9. A. in B. at C. on D. for( )10. A. sorry B. welcome C. excuse D. thank七、阅读理解FoundA b
23、lack bag is in the library.Is it yours?Call John at 379 6248.LostIm Jill. I lost a green wallet in Classroom 202.I must find it. Please call David or me.Davids phone number is 632 7836.My phone number number is 648 2957.FoundIs this brown jacket yours?A blue pen is in it.Email Alice at Alice2018gmail. com.根据上述内容，判断下列句子正误，正确的写“T”，错误的写“F”( )1. John found a jacket.( )2. Jill lost a green wallet.( )3. Davids phone number is 379 6248.( )4. The jacket is brown.( )5. Alices email is Alice2022gmail. com. 学科网（北京）股份有限公司