Unit 4 语法篇 ____________________________________________________________________________________________________________________________________________________________________ 重点掌握特殊疑问句和情态动词can和can’t的用法 重点语法：一、特殊疑问句 以疑问词开头，对句中某一成分提问的句子叫特殊疑问句常用的疑问词有：what who whose which when where how why等特殊疑问句有两种语序：1、如疑问词作主语或主语的定语，即对主语或主语的定语提问，其语序是陈述句的语序：疑问词（＋主语）＋谓语动词＋其他成分？ 2、如疑问词作其他成分，即对其他成分提问，其语序是：疑问词＋一般疑问句语序？ （1）特殊疑问词+助动词+主语+动词原形+其他？（2）特殊疑问词+be动词+主语+其他？（3）特殊疑问词+情态动词+主语+动词原形+其他？ 注意：回答特殊疑问句时，不能用yes ／ no，即问什么答什么，尤其是简略回答。
二、情态动词can的用法 情态动词can有一定的词义,但不能独立存在,它必须与动词原形一起构成谓语情态动词can没有人称和数的变化其具体用法如下:1.表示"能、会",指脑力或体力方面的"能力" 2.表示"可能",常用于否定句或疑问句中,指某种可能性 3.表示"可以",常用于口语中,指许可或请求做某事 情态动词can的基本句型1.肯定句型为:主语+can+动词原形+其它 2.否定句型为:主语+can not(can't/cannot)+动词原形+其它表示"某人不能(不会不可能)做…,其中can't是can not的缩略式, 3.疑问句句型分为:一般疑问句句型和特殊疑问句句型两种类型⑴一般疑问句句型为:Can+主语+动词原形+其它表示"某人会(能可以)做……吗？,用于口语时,常表示请求或许可其肯定答语用""Yes,主语+can."作答;否定答语用"No,主语+can't作答注意答语中作主语的人称代词,应根据问句中的主语作相应的变化其变化规则为:第一人称问,则第二人称答;第二人称问,则第一人称答;第三人称问,第三人称答 ⑵特殊疑问句句型为:a. Who+can+动词原形+其它该句型中who相当于主语。
b.特殊疑问词(作定语)+名词+can+主语+动词原形+其它该句型中的特殊疑问词常用how many, how much等 c.特殊疑问词+can+主语+动词原形+其它该句型中的特殊疑问词常用what, where, when等,一般用肯定陈述句作答 ) 1. ---Excuse me ______ is the nearest bookshop ?---Go down the street and turn left at the second corner? A. how B. what C. where D. who( ) 2. ---______ is a ticker for the film Hacker He? ---About forty yuan . A. How old B. How many C. How much D. How often( )3.---I like ice cream. ___________ you? ---I like hamburgers. A. What B. How C. What about D. What’s ( )4.-----What______I do for you? A.must B.can C.need D.should( )5.---____________Jim play the guitar? ----Yes,he can. A.can B.must C.need D.will解析： 1.根据答语我们知道是问地方bookshop，应该用疑问词怎样Where.2.根据答语我们知道是问价钱，应该用How much.3.根据答语可知，是在询问对方喜欢什么，故答案C4.这是固定搭配，我可以为你做点什么吗？5.根据答语中的can,我们可知用can 提问。
答案： 1. C 2.C 3.C 4.B 5.A基础演练一、翻译下列短语和句子1.一个好主意_________________________ 2.说英语_______________________3.多少种语言_________________________ 4.为爷爷做饭___________________5.我也是_____________________________ 6.为我们画一幅画_______________7.当然_______________________________ 8.写歌_________________________9.彼此_______________________________ 10.打排球______________________二、从方框中选择单词并用其正确形式填空cook use ride join have draw1.She can_________quite well. She is a great painter.2.My little brother likes________his bike everywhere.3.Do you want_________my English class?4.Let’s___________fun together.5.Stop_________the computer. It’s late already.6.My father can______________________a delicious meal.巩固提高三、句型转换.1.He can make a model.(变为否定句)He_______ _________ _________model.2.I can ride a bike.(变为一般疑问句) _________ __________ _________a bike?3.She can speak English and Japanese.(对划线部分提问)__________ ___________ ___________ ___________speak?4.I want to join the Reading Club.(对划线部分提问)__________ ___________ ___________ ___________ __________to join?5.He has a bike. I have one, too.(变为同义句)He has bike,_____________ _____________ _____________ _____________.四、根据中文提示完成下列各句。
1.足球是我最喜爱的运动Football__________________________________________.2.你喜欢跳舞加入舞蹈俱乐部怎么样？You like__________. ____________________________the dancing club?3.莫言在全中国有名Mo Yan__________________________________China.4.她擅长唱歌，她的很多歌曲都很受欢迎She_________________________and________________her songs are popular.5.你能帮我们制作模型吗》Can you____________________________?答案：一、1.a good idea 2.speak English 3.how many languages 4.cook dinner for Grandpa 5.Me,too6.draw a picture for us 7.of course 8.write songs 9.each other 10.play volleyball二、1.draw 2.reading 3.to join 4.have 5.using 6.cook三、1.can’t make a 2.Can you ride 3.What languages can she 4.Which club do you want 5.I also have one四、1.is my favorite sport 2.dancing; How about joining 3.is famous all over 4.is good at singing; a lot of 5.help us make models一、单选。
)1. —______ are you going? — I’m going to the library. A. Who B. Which C. What D. Where( ) 2. ---______ do you go to Shanghai. ----Thirty kilometers A. How much B. How soon C. How long D. How far( ) 3. ---______? ----It’s eight. A. What day is it B. What’s five and three C. How old are you D. What’s your telephone number( )4. —______? —I’ve got a headache and a cough. A. What’s your trouble B. What’s wrong with it C. Can I help you D. How are you( )5.--- ______cups of tea did you have? ---Two cups. A. How。