七年级上册unit3.docx

1、七年级上册unit3Unit 3Is this your pencil?一Language points1Is this your pencil？这是你的铅笔吗？本句是由“be(am，is，are)动词主语表语”构成的一般疑问句。一般疑问句是针对一种事物或情况是否属实而提出疑问的句子，回答时一般用yes或no开头作简略回答。含有be(am，is，are)动词的陈述句变为一般疑问句时，要把be动词提前，大写第一个字母，句末用问号。读时通常用升调。Are you Nick？你是尼克吗？Yes，I am./No，Im not.是的，我是。/不，我不是。This is a book. Is this

2、a book? 这是一本书。这是一本书吗？【例1】 This is my pencil box.(改为一般疑问句)_ _ _ pencil box?【例2】 _ bike is over there. AThis BThat Cthis 2.Excuse me，Grace.打扰了，格雷丝。本句是向别人提出请求、询问事情或打扰别人时常用的交际用语。Excuse me. Which is the way to the hospital?请问，哪一条是去医院的路？Excuse me. Is this your book?打扰了，这是你的书吗？【例题】_.How do you spell it? PE

3、N. ASorry BExcuse me CThank you 3OK，and these are my books.好的，这些是我的书。OK interj. “好，不错”，它不仅在英美等讲英语的国家被人们广泛使用，而且如今已几乎成为国际通用语，OK可写成O.K.或Okay。OK 可以在以下场合使用：(1)用来回答对方的道歉、感谢，表示“没关系”、“不用谢”等，相当于“Thats all right./Not at all.”等。Thanks very much.非常感谢。Thats OK.不用谢。(2)作为别人询问你的健康状况时的答语。How are you？你还好吗？Im OK.还不错。(

4、3)用于答语，表示许可，意为“可以，行，好”，相当于sure。Can I sit here？我能坐在这儿吗？OK.可以。(4)表示赞同、同意，意为“好吧；行”。Lets go home.咱们回家吧。OK，lets go.好，走吧。(5)表示征求别人的意见，意为“行不行，可以吗”，说话时用升调。Show me the picture，OK?把图画给我看一下，可以吗？(6)用以引起大家的注意。OK，students，class begins!好了，同学们，上课！【例1】Spell the word “ring”，please._.RING. AThank you BExcuse me COK 【例

5、2】 选出能代替画线部分的词。How is your mother?She is_fine. Agood BOK Cnice 【例3】Lets go to the park!_. ARight BNo COK4What about this dictionary？这本词典呢？What about.？意为“怎么样？”“好吗？”，用来询问消息或征求意见，其后接名词、代词或动词的ing形式。What about you？你呢？What about saying it in English?用英语说它怎么样？【例题】 What about _ the word “orange”？ Aspell Bsp

6、ells Cspelling 5.Thank you for your help，Anna.安娜，多谢你的帮助。thank v“感谢”，及物动词，其后可直接接宾语，即感谢的对象，语气较强。Thank you very much.非常感谢你。Thank you for helping me.谢谢你帮助了我。Thank you for your help. Thanks for your help.help vn. 帮助；援助help v. 它有以下短语：(1)help sb.(to) do sth.帮助某人做某事 I help them (to) take the books to the te

7、acher.我帮他们带书本给老师。(2)help sb.with sth.帮助某人做某事 Mary helps her mother with housework at weekends.玛丽周末帮她妈妈做家务。(3)help oneself 随便吃点(食物) Help yourself to some fish.随便吃点鱼吧。help n. 帮助 Many thanks for your help.多谢你的帮助。【例1】 Your bag is very nice._. ANo，no BExcuse me CThank you 【例2】 Thanks very much.(改为同义句)_ _

8、 very much.【例3】 Can you help me _ my book here? Abring Bto brings Cbringing 6How do you spell it？你怎么拼写它？本句是由特殊疑问词how引导的特殊疑问句。用来询问别人如何拼写一个单词。回答时要把所询问的单词的字母按顺序逐个拼写出来，每个字母都要大写，中间用连字符连接。它的同义句为：Spell it，please.请拼写它。How do you spell “book”？你怎样拼写book 这个词？BOOK.BOOK。how adv.“(指程度)多么，何等，怎样”，是个特殊疑问词。(1)对方式、方法、

9、程度进行提问。How do you go to school?你怎样去上学？By bike.骑自行车去。(2)询问某人某事的情况及状况。How is everything going？事情进展怎么样？Everything is OK.一切顺利。(3)与其他形容词构成新的疑问词，如“how many(多少)；how old(多大；几岁)；how much(多少；多少钱)；how long(多长；多久)”等。How much is your pen？你的钢笔多少钱？ do aux.构成否定句、疑问句的助动词，它常帮助实义动词(如：spell)构成疑问句和否定句。do常用于第一、二人称单复数和第三人

10、称复数，第三人称单数用does。此时，无论do还是does都无具体意义，只起结构上的作用。How does Alan spell his name? 艾伦怎样拼写他的名字？I dont know the answers.我不知道答案。do v“做，干”，作实义动词。I do my homework at school.我在学校做作业。【例1】_ _ you spell your name?BOB，Bob. AHow do BHow does CWhat do 【例2】_ do you like Chinese?Very much. AHow BHow long CHow many【例3】Wha

11、t _ you do every day?I do homework every day. Ado Bdoes Cis 7.A computer game is in the school library.学校图书馆里有个游戏机。the art. 表示特指的人、物、事或群体。意为“这(个/些)；那(个/些)”。The pencil is black.这支铅笔是黑色的。the，a和an它们都是冠词，不能独立使用，只能附着在一个名词上帮助说明这个名词的含义。the用在特定的人或事物的名词前，即说话者和听者能够共同确认所指何人或何事物。单数名词第一次出现时，其前要用不定冠词a/an，第二次出现要用定

12、冠词the。The backpack is mine.这个双肩背包是我的。Its a watch.The watch is nice.它是块手表。这块手表好看。a；an只与单数名词连用，不具体指某人或某物，即不确定指某人或某物，常译为“一个”。a用在以辅音音素开头的单数可数名词之前；an用在以元音音素开头的单数可数名词之前。That is a dictionary.那是一本词典。This is an orange.这是一个橙子。【例1】Is this _ eraser?Yes. And _ eraser is blue. Aa；the Ban；the Cthe；an 【例2】 _ book i

13、s on the desk. AThat a BA CA that 8Ask the teacher for it.去老师那里拿。本句是一个祈使句。ask v. 询问；问 Can I ask a question？我可以问个问题吗？ask sb.(not) to do sth.让某人(不做)做某事His mother asks him not to go out at weekends.他妈妈让他周末不要出去。ask sb.for sth.向某人要某物The boy asks me for some apples.这男孩向我要一些苹果。【例题】 Do you ask me _ basketba

14、ll? Afor Bplay Cto play 9.Is this your watch？这是你的手表吗？本句是一个一般疑问句。watch n“手表”，其复数形式为watches。I have a watch.我有一块手表。watch v观看；注视My parents like watching TV.我父母都喜欢看电视。【例题】 Hi，Jenny！Is this your _？ Ared Bwatch Cwhat Dhow10I lost my school ID card.我丢失了学生证。lost v. “遗失”，lost是动词lose的过去式。I lost my pen.我丢了我的钢笔。

15、lost adj. “丢失的，遗失的”，常用于系动词之后作表语，或名词之前作定语。His bike is lost.他的自行车丢失了。Two boys are looking for a lost ball.两个男孩正在寻找丢失的球。【例题】 Little Lucy is the _ girl. Alost Blose Closing 11I must find it.我必须找到它。must modal v. 必须情态动词，后接动词原形，无人称和数的变化。它强调个人主观感觉“有必要”、“必须”。You must study hard.你们必须努力学习。find v. 找到；发现多指偶然发现、碰

16、到，强调寻找的结果，后可接名词、复合结构或that从句。I cant find my book anywhere.我到处都找不到我的书。其过去式、过去分词都是found。Find your pencil in your pencil box.在你的铅笔盒里找到你的铅笔。I cant find the keys.我找不到钥匙了。She found her watch in the bag.她在包里找到了手表。My cat is found.我的猫找到了。【例1】 翻译句子，每空一词。你们必须谢谢他。You _ _ him.【例2】 Please help me _ my ruler. Asee

17、Bspell Cfind 【例3】 It _ a _ box. Aam；found Bis；find Cis；found12. Call me at 6856034.请拨打电话6856034找我。本句为实义动词原形开头的祈使句。如果在祈使句中加上please，可使其显得更有礼貌，更客气，也更委婉些。please可以放在谓语之前，也可以置于句末，此时要用逗号分开。Look at the photo！看这张照片！ Come in，please！Please come in！请进来吧！(1)call v. “打电话”，后面常接表示人的名词或代词，表示“给某人打电话”。此时可以用ring替换。 Cal

18、l Jim，please.请给吉姆打电话。(2)call v可以直接接电话号码，表示“拨打某个电话号码”。 Call 1394567，please.请拨打电话1394567。(3)call sb.at号码，表示“拨打某个号码找某人”。 Please call Mary at 4357689.请拨打电话4357689找玛丽。(4)call n. 电话；通话 Please give me a call.请给我打个电话。at 介词，表示“在；按照；根据”。He is at school.他在学校。【例1】 You can call your English teacher _ 5637853. Ao

19、n Bin Cat 【例2】 Please call me if you have any questions. Aring Bthat Cwatch 【例3】 Are you _ home? Aof Bin Cat 二Grammar focus一）系动词be构成的否定句及疑问句主语系动词be其他成分，构成了含系动词be的肯定句式。观察以下句子，识别否定句式和疑问句式：That is a book.那是一本书。That isnt a book.那不是一本书。Is that a book?那是一本书吗？Yes，it is./No，it isnt.是的，它是。/不，它不是。Whats that？那

20、是什么？通过图片和句子，你能总结出be动词构成的否定句和疑问句是如何使用了吗？二）物主代词表示所有关系的代词叫物主代词。物主代词可分为形容词性物主代词和名词性物主代词。有人称和单复数形式的变化。人称第一人称第二人称第三人陈数单数复数单数复数单数复数形容词性物主代词myouryouryourhis，her，itstheir名词性物主代词mineoursyoursyourshis，hers，itstheirs1.形容词性物主代词在句中只能充当定语，相当于一个形容词，后面修饰名词。You must do your work well.你必须把你的工作做好。(your 作定语)We must do o

21、ur homework well.我们必须把我们的作业做好。(our作定语)2名词性物主代词在句中作主语、宾语、表语等，相当于一个名词。Mine is on the desk.我的在课桌上。(mine作主语)Dont take hers away.不要把她的带走。(hers 作宾语)Its his.那是他的。(his作表语)Those books are theirs.那些书是他们的。(theirs作表语)顺口溜帮你记：妈爱(my)变妈恩(mine)，s结尾的不变化；以r结尾加s，形作定语他词伴；名表主宾须独行。【例1】 Are you a student?Yes，_.AIm BIm not

22、CI am 【例2】 按要求改写句子。1This is my jacket. (改为一般疑问句)_ _ _ _？2Is this a ruler？(作肯定回答)_，_ _.3Are you a teacher？(作否定回答)_，_ _. 【例3】 My bike is old and _is new. Ayou Byour Cyours 【例4】 Sonia，is this your dictionary?Oh，no，its not _.Ask Li Lei. Hes looking for _. Ame；hers Bmine；him Cmine；his 【例5】 The eraser on

23、your desk is very nice. Is it _？Yes，but Ill give it to my friend，Kate for _ birthday(生日) Ayour；his Byours；his Cyours；her 基础演练一、单项选择1. Whos the man over there?Oh, he is a friend of _.A.mine B.me C.my2. Excuse me. Is this _ ruler?No. Its her ruler. _ is in the pencil box.A.your; My B.yours; Mine C.you

24、r; Mine3. Is this _ math book?No, it isnt. Its _. Here is a nameJane.A.your; his B.his; hers C.her; his4. These two boys look very happy. A.re those your friends?_. They are my brothers.A.Yes, they are B.No, they arent C.No, he isnt5. There is _ m and _ u in the word (单词) computer.A.a; an B.an; a C.

25、/; the6. Is this your schoolbag?Yes, _.A.its B.this is C.it is7. Tom _ my friend. _ pencils _ red (红色的).A.is; He; are B.are; His; are C.is; His; are8. I have _ clock, _ clock is Jims.A.a; a B.a; the C.the; the9. Welcome _ Beijing!Thanks.A.for B.to C.in10. My pen is green, _?Mine is yellow.A.What abo

26、ut you B.What about your C.What about yours三、补全对话。A: I lost my ring. Is it in the lost and found box?B: _A: It is white.B: Here is a white ring. _A: No, it isnt. Mine is larger (更大的).(A boy comes here with a ring.)C: _ Is this your ring? I found it this morning.A: _ My name is on it. Thank you!C: _单

27、元检测一、单项选择1Is this _ ID card?No. Its _ book. Aan；a Bthe；a Can；the 2This is my pen，_ that is your pencil. Ain Bbut Cand 3Two blue notebooks _ in the lost and found box. Abe Bis Care4_Jane Miller. Miller is _ last name. AI；my BMy；I CIm；my5_.Are you Mary?No，Im Gina. ASorry BExcuse me CThank you 6Look at

28、 that computer. _ computer is good. AA BAn CThe 7What color _？ Ait is Bits Cis it8How _ our teacher? Ais Bbe Care 9It is _. Amy an eraser Ban my eraser Cmy eraser 10A set of _ on the table. Akey is Bkeys is Ckeys are 二、完形填空Here is the Lost and Found box. _ is in it? Its a pencil. Is it Janes pencil? Jane _ her pencil. And her pencil is orange. This one is _, too. It may (可能) be _. I can ask her to come here an