江苏省南京市长城中学七年级英语下册 Unit1 Dream homes Grammar课件 （新版）牛津版.ppt

unit1dreamhomes grammar acardinalnumbersbordinalnumbers whatnumberscanyousee tolearnthecardinalnumbersandusethemtotalkaboutthenumbersofpeopleorthingstolearntheordinalnumbersandusethemtotalkaboutdates floors positions etc objectives 学生早读时已预习过本单元单词 可利用几分钟时间带学生快速回顾温习 对单词的熟练度越高 阅读的速率也越高 单词回顾 wordsreview zerohundredthousandmillionfootsquaremetreareaover num 零num 百num 千num 百万n 英尺adj 平方的n 米 公尺metern 面积prep 超过 语法讲解建议采用归纳法 如尽可能多的呈现一些相关例句 或可让学生从已学课文中找相应例句 引导学生试着从所观察到的语言现象中总结出语言规则和语法规律 lookatthefollowingsentences 1 thenewstudentsinclass1 grade7 七年级上册u1 2 lihuais22yearsold 七年级上册u2 3 thereare18classroomsinit myclassroomisonthegroundfloor 七年级上册u3 4 ionlyhavefifteenyuan 七年级上册u7 sentencesfromthisunit 1 therearetwentyrestaurantsintown p6 2 thebiggestoneinfifthstreet p6 3 iliveinatown15milesfromlondon p8 4 ourflatisontheseventhfloor p8 5 ithaseightrooms p8 guessinggame totestyoursenseofobservationtotestyourabilityofshort termmemorytotestyourabilitytohighlightthelanguagepoints 1 thenewstudentsinclass grade 2 lihuais yearsold 3 thereare classroomsinit myclassroomisonthe floor 4 ionlyhave yuan 5 thereare restaurantsintown 6 thebiggestonein street 7 iliveinatown milesfromlondon 8 ourflatisonthe floor 9 ithas rooms 还记得这些数词么 1 7 22 18 ground fifteen twenty fifth 15 seventh eight 1 septemberisthe monthoftheyear a ninethb ninthc nined thetwelfth2 chinesearelookingforwaystolearnenglishwellbeforebeijing2008olympicgames a thousandb thousandsc thousandofd thousandsof 以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解 下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点 表示数目和顺序的词叫做数词 数词又分基数词和序数词 基数词表示数量 序数词表示顺序 表示班级 年级 学校人数等 class2 grade7 2 表示城市和国家的人口数量等 3 表示电话号码 车牌号 门牌号 价格 年份等 基数词 21 99的两位数 十位与个位之间用连字符 例 21twenty one 32thirty two 98ninety eight 99ninety nine 101 999的三位数 百位数和后面的数之间用连词and 百后用单数形式 例 101onehundredandone 225twohundredandtwenty five 999ninehundredandninety nine 基数词的写法 1000以上的数 从后面向前数 每三位中间点 第一个 前为thousand 第二个 前为million 例 2 567twothousandfivehundredandsixty seven 3 018threethousandandeighteen 16 250 064sixteenmilliontwohundredandfiftythousandsixty four hundred thousand million的用法 前面有数词 则不用其复数 如twohundred fivethousand等 表示上百 上千 上百万时 用hundredsof thousandsof millionsof来表示 疑难点 一般来说 是由相应的基数词加词尾th构成 例 four th fourth six th sixth seven th seventh ten th tenth 下面这些基数词在变为序数词时 有特殊的变化 例 one first two second three third five fifth eight eighth nine ninth twelve twelfth 序数词的构成 十位整数序数词的构成方法是将基数词的词尾y变成i 然后再加eth 例 twenty twentieth thirty thirtieth forty fortieth ninety ninetieth 两位或两位以上的基数词变成序数词时 仅将个位数变成序数词 例 twenty one twenty first thirty five thirty fifth ahundredandfifty three ahundredandfifty third timeforreflection weusethecardinalnumberstotalkaboutthenumbersofpeopleorthings e g thecntoweris1 815feettall thereareabout8 000 000peoplelivinginlondon weusetheordinalnumberstotalkaboutdates floors positions etc e g women sdayisontheeighthofmarch ourflatisontheseventhfloor heisalwaysthefirsttocometoschoolinourclass 1 i m13yearsoldandmysisteris15yearsold somysisteris yearsolderthanme 2012山东济南 a oneb twoc threed four2 visitorscometoxingyiduringmaydayholidayseveryyear 2012黔西南 a thousandsofb twothousandsc thousandofd thousand i choosethebestanswer 3 howwasyourweekend great itwasmygrandfather s birthday weenjoyedourselves 2012广东 a seventyb seventiethc theseventiethd seventeenth4 hewrotehis novelwhenhewas 2011湖北恩施 a five fiftiesb fifth fiftyc fifth fiftieth 5 pleaseturntopage andlookatthe pictureinthisunit 2012山东聊城 a twentieth oneb twenty onec twentieth firstd twenty first6 ifa 3andb 4 what stheanswertotheproblem a b 1 theansweris 2012四川宜宾 a twelveb ninec eightd seven hishouseisonthe 九 floor 2 mayisthe five monthofayear it sthebesttimeforhiking 徒步旅行 3 thereare 四十 studentsinhisclass healwayscomesthe 第四十 4 isbrianher 第一个 or 第二个 child ii 根据