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七年级上册Unit 3 Is this your pencil?语法重难点讲解1.1.含有含有bebe动词的一般疑问句及其肯定,否定回答动词的一般疑问句及其肯定,否定回答2.2.指示代词指示代词this,that,these,those this,that,these,those 的用法的用法3重难点讲解 peneraser rulerpencilschoolbaga pencil box a pencil boxa dictionarya schoolbaga bookan eraser-WhatsthisinEnglish?-Itsa/anEnglishdictionaryschoolbagrulerbookThis is a ruler.-Is this a ruler?-Yes,it is.These are rulers.-Are these rulers?-Yes,they are.That is my schoolbag.-Is that your schoolbag?-No,it isnt.-No,they arent.Those are my schoolbags.-Are those your schoolbags?Grammar FocusGrammar Focus1.this,that,these,those表复数表复数thisthesethatthose表单数表单数这个这个那个那个这些这些那些那些Grammar FocusGrammar FocusThisismybook.Thesearemybooks.2.指示代词的用法3.含有指示代词的一般疑问句及回答例:Isthisyourbook?肯定回答:Yes,itis.否定回答:No,itisnt.Aretheseyourbooks?肯定回答:Yes,theyare.否定回答:No,theyarent.注:由指示示代词this,that作主语的疑问句,作答时,常用it代替this或that,以避免重复。Grammar FocusGrammar Focus概念:表示所有关系的代词叫做物主代词概念:表示所有关系的代词叫做物主代词分类:物主代词分为形容词性物主代词和名词性物主代词。分类:物主代词分为形容词性物主代词和名词性物主代词。1、形容词性物主代词:(8个)my,your,his,her,its,our(我们的),your(你们的),their(他们的)。2、名词性物主代词:(8个)mine(我的),yours(你的)his(他的)hers(她的)its(它)ours(我们的)yours(你们的)theirs(他们的,她们的,它们的)笔记笔记练习:用适当的人称代词和和物主代词填空。用适当的人称代词和和物主代词填空。1、_am a boy._name is Mike.(I)2、_is Cindy.That is_schoolbag.(She)3、_is my pencil._ color is red.(it)4、Is this _ pen?No,its not my pen.5、This is a boy._ name is Jim.6、Jane is a girl._ is my good friend.7、Kate is my sister.These are _ pens.8、This is my book.That is_.(she)IMy She herItItsyouhissheherhersGrammar FocusGrammar Focus3、用法形容词性物主代词其后必须跟名词。例:my pen 形容词性物主代词与形容词一起修饰名词时,要放在形容词之前。例:his English books u名词性物主代词:名词性物主代词=形容词性物主代词+名词例:This is my pen.This is mine.笔记笔记Grammar FocusGrammar Focus英语名词的所有格表示所属关系,它分s 所有格和 of 所有格两种形式。s所有格:笔记笔记1、表示有生命的东西的名词末尾加s。eg.Jims bed my fathers book Lucys dress2、以s结尾的名词末尾加”“。eg.the students books Teachers Day3、有些表示时间、距离、度量衡、价值、自然现象、国家、城镇等无生命的东西的名词时,也可以加s构成所有格。eg.todays newspaper4表示两者共同拥有的人或物(共有)时,只需要后一个名词加s(或)即可。如果表示两者各自的所属关系(各自所有),则每个名词词尾都加上s(或)。eg:Joan and Janes room(表示两人共同所有)Joans and Janes room(表示两人各自拥有)Grammar FocusGrammar Focus注:名词所有格所修饰的词,如果前面已经提到过,往往可以省略,eg.Whose pen is this?Its Toms这是谁的钢笔?是汤姆的。Grammar FocusGrammar Focusof 所有格的用法1.of所有格由of加名词构成。2、用法:of所有格一般用于无生命的东西的名词中。eg:a map of the world 注:表示有生命的东西的名词,有时也可以用of所有格。eg:the children of the family 那家的孩子们Grammar FocusGrammar Focus4.What about.?What about?=How about.?怎么样?怎么样?后面接名词,代词或者动词的ing形式5.Thank you for+名词或动词ing,表示为某事而感谢eg.Thank you for telling me.笔记笔记Grammar FocusGrammar Focus8.call at+号码,表示打电话给.eg.Call at 911.9.in the lost and found在失物认领处10.in the school library在学校图书馆6.Askfor表示请求,想要,寻找 eg:He asked me for the book.7.email sb at+地址,表示发电子邮件到.笔记笔记Grammar FocusGrammar Focus11.名词作主语,谓语动词的用法 可数名词作主语,谓语动词要和名词的单复数保持一致eg.Two books are on the desk.This book is yours.不可数名词作主语,谓语动要用单数eg.The milk is in the glass.注:若是两个不可数名词做主语,谓语动词要用复数eg.Tea and milk are my favorite drinks.12.A set of keys一串钥匙1.1.你的双肩背包你的双肩背包2.2.她的字典她的字典3.3.他的卷笔刀他的卷笔刀 4.4.电脑游戏电脑游戏5.5.失物招领失物招领6.6.在失物招领处在失物招领处7.7.校牌校牌 8.8.第二中学第二中学 9.9.给给MaryMary打电话打电话 10.10.一串钥匙一串钥匙 11.11.请打我的电话请打我的电话31531512.12.在学校图书馆在学校图书馆your backpackher dictionaryhis pencil sharpenercomputer gamesLost and Foundin the lost and found caseschool ID cardsNo.2 Middle Schoolcall Marya set of keysplease call me at 315in the school library1.-这是你的铅笔吗?这是你的铅笔吗?-是的,它是。是的,它是。3.-那是那是Tim的书吗?的书吗?-不,它不是。不,它不是。4.你怎样拼写它你怎样拼写它?5.-谢谢你谢谢你.-不用谢不用谢.-Is this your pencil?-Yes,it is.-Is that Tims book?-No,it isnt.How do you spell it?-Thank you.-Thats all right./Thats ok./Youre welcome将下列句子单复数形式互换将下列句子单复数形式互换1.This is a bus.2.They are my sisters.3.Those are my friends.4.Are these apples?5.The girl likes salad.6.We are students.7.A photo is on the wall.8.Is that your cousin?9.Shes a sport star.10.There is a book on my desk.1.These are buses.2.She is my sister.3.That is my friend.4.Is this an apple?5.The girls like salad.6.I am a student.7.Photos are on the wall.8.Are those your cousins9.Theyre sports stars.10.There are some books on my desk.1.“某地某地有某物有某物”There be+sth.+某地某地there是引导词,无实义,是引导词,无实义,be为谓语动词,其后名词为为谓语动词,其后名词为主语主语.Eg:在我的桌子上有一台电脑和一些书。:在我的桌子上有一台电脑和一些书。There is a computer and some books on my desk.=There are some books and a computer on my desk.(就近原则)(就近原则)2.“某人某人有某物有某物”Sb.have/has sth.我有许多好朋友。我有许多好朋友。I have many good friends.1.There _some money in my bag.A.have B.has C.are D.is2.-Are there any maps on the wall?-_ A.There are some.B.Yes,there is.C.Yes,there is one.D.No,there are.3.There arent _ trees near the house.There is only one.A.any B.some C.many D.much 4.There _ some milk on the table.There _ some eggs,too.(be)5.There is a woman near the house.(变复数)_6.There are some buses near the hill.(变单数)_7.There are some apples on the tree.(变一般问句)_8.There are some oranges in the glass.(变否定句)_There are some women near the house.There is a bus near the hill.Are there any apples on the tree?There arent any oranges in the glass.一般疑问句一般疑问句一、含义一、含义 以动词以动词be,have或助动词、情态动词开头,或助动词、情态动词开头,以以yes或或no作回答的问句叫做一般疑问句。作回答的问句叫做一般疑问句。回答时可以用完整的句子回答,但大多数回答时可以用完整的句子回答,但大多数 情况下只需作简略回答。情况下只需作简略回答。二、二、构成及答语构成及答语 如果句中有动词如果句中有动词be(am,is,are),将动词,将动词 提到主语前,并大写开头字母,句末用提到主语前,并大写开头字母,句末用 问号,主语第一人称变第二人称,即变成问号,主语第一人称变第二人称,即变成 了一般疑问句。了一般疑问句。一般疑问句要用一般疑问句要用Yes或或No来回答。它的来回答。它的 肯定答语是肯定答语是Yes,it is.否定答语是否定答语是No,it isnt.注意答语用注意答语用it代替代替this/that。在在be动词引起的一般疑问句中,动词引起的一般疑问句中,be动词的形动词的形式由式由主语主语决定。决定。当主语为当主语为第三人称单数第三人称单数时,谓语用单数时,谓语用单数is;当主语为当主语为第二人称或其他复数人称第二人称或其他复数人称时,时,be动动词用词用are;当主语为当主语为I时,时,be动词用动词用am。注意注意:am和和not不能缩写不能缩写。Thisismypencil.Is thisyourpencil?含有含有bebe动词的陈述句变为一般疑问句的步骤动词的陈述句变为一般疑问句的步骤一般疑问句的肯定和否定回答:一般疑问句的肯定和否定回答:Is this your mother?Are these your brothers?Yes,itis.No,itisntYes,theyare.No,theyarentIs he your brother?Yes,heis.No,heisnt总结:总结:1.答语中的代词必须是_代词,人称人称he、she、it、they、we、I不能用不能用these不能用不能用this和问句中的主语保和问句中的主语保持一致持一致一般疑问句的肯定和否定回答:一般疑问句的肯定和否定回答:Is this your pencil?Are these your brothers?Yes,itis.No,itisnt.Yes,theyare.No,theyarent.Is he your brother?Yes,heis.No,heisnt.总结:总结:2.答语中的动词通常和_保持一致问句中的首位动词问句中的首位动词1.He is my good friend.2.These are nice pictures.3.Those are school things.Is he your good friend?Yes,he is./No,he isnt.Are these nice pictures?Yes,they are./No,they arent.Are these school things?Yes,they are./No,they arent.将下列句子变为一般疑问句,将下列句子变为一般疑问句,并作简要回答。并作简要回答。改错:改错:1.Are this your book?2.Those is my pen.3.Is these his pencils?4.Are those her ruler?5.Are they your books?Yes,theyre.Is this your book?/Are these your books?That is my pen./Those are my pens.Are these his pencils?Are those her rulers?Are they your books?Yes,they are.Lost寻物启事寻物启事当你丢失东西的时候当你丢失东西的时候,你需要写你需要写Lost,共四部分共四部分:1.标题标题2.丢失的东西丢失的东西3.失者的姓名失者的姓名4.联系电话联系电话Lost:My school ID card.My name is Tony.Please call 685-6034.Found失物招领失物招领如果你拾到别人的东西,你该怎样归还如果你拾到别人的东西,你该怎样归还给失主呢给失主呢?你需要写你需要写Found,分五部分分五部分:1.标题标题2.拾到的东西拾到的东西3.询问某物是不是失者的询问某物是不是失者的4.联系人联系人5.联系电话联系电话Found:notebook.Is this your notebook?Please call Mary.Phone#235-0285.今丢失双肩背包一个今丢失双肩背包一个,有拾到者可打电话有拾到者可打电话 695-3059与与David联系。联系。Lost:My _.My _ is David.Please _ 695-3059.unit3一、单词:1.一块橡皮_2.一张身份证_3.箱;盒_(复数)-_4.字典_(复数)-_5.图书馆_(复数)-_6.手表_(复数)-_7.钥匙_(复数)-_8.find的过去式、过去分词_9.lose的过去式_aneraseranIDcardboxboxesdictionarydictionarieslibrarylibrarieswatchwatcheskeykeysfoundlost二、短语二、短语1.铅笔盒铅笔盒2.劳驾;请原谅劳驾;请原谅3.怎么样?怎么样?.好吗?好吗?4.为为.而感谢而感谢5.请求;恳求;向请求;恳求;向.要要.6.用用.地址给某人发邮件(打电话)地址给某人发邮件(打电话)7.一套;一副;一组一套;一副;一组三、句子:三、句子:1.谢谢你的帮助!谢谢你的帮助!2.别客气。别客气。3.我必须找到它。我必须找到它。pencilboxExcusemeWhat/Howabout.?Thankyoufor.ask.for.E-mail/Callsb.at.asetofThankyouforyourhelp!Yourewelcome.Imustfindit.翻译翻译:1.-我认为它在你祖父母的房间里。我认为它在你祖父母的房间里。Ithinkitsinyourgrandparentsroom.2.-Isthisyourpencil?-Yes,itis.Its_(我的我的)3.-Isthatyourschoolbag?-No,itisnt.Its_(他的他的)4.-Aretheseyourbooks?-No,theyarent.Theyre_(她的她的)5.-Istheeraser_(你的你的)?-Yes,itis.Its_(我的我的)eraser.6.Thisis_(我们的我们的)classroom.=Thisclassroomis_(我们的我们的).minehishersyoursmyourours
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