语法专题之序数词（ppt课件）-2022新人教新目标版七年级上册《英语》.pptx

1、语法专题之序数词目录01课堂导入02知识梳理03课堂练习04课堂小结05课后作业01课堂导入课堂课堂导入导入知识梳理课堂练习课堂小结课后作业课堂导入昨天参加的英语谜语大会真的是太有趣了，让我来考考你们吧课堂导入English RiddleWhat is the longest word in the world?What letter is an animal?课堂导入English RiddleSmiles (因为两个s之间隔了一英里mile)B (因为字母B的发音和单词bee是一样的)课堂导入English RiddleWhat letter stands for(代表)the ocean

2、?What letter is a question?课堂导入English RiddleC (因为C的发音和大海sea的发音是一样的)Y (因为Y的发音和为什么why的发音是一样的)课堂导入同学们，这些英语小谜语你猜出来了吗？So funny!学习目标 复习基数词相关概念，通过联系的形式帮助学生巩固基数词知识 学习序数词，了解序数词相关的用法 学习并掌握基数词和序数词的相互转换，运用口诀进行记忆 学习阅读方法，掌握阅读技巧，提高阅读速度02知识梳理课堂课堂导入导入知识梳理课堂练习课堂小结课后作业知识回顾I am _ years old.A.eighteen B.eighteenth C.th

3、e eighteenth D.the eighteen解析：表示年龄，用基数词，故选A知识回顾-How much is 20 plus 5?-_.A.25 B.15 C.4 D.100 知识回顾My grandfather is _.And we had a party for his _ birthday yesterday.A.eighty;eightieth B.eightieth;eightieth C.eighty;eighty D.eightieth;eighty解析：表示几岁用基数词，表示第几个生日，用序数词，所以第一空用基数词eighty，第二空用eightieth，故选A。知

4、识回顾His grandfather was a hero in _.A.1720s B.1720s C.the 1720 D.the 1720s解析：表示年代时，数字后要加s或s,且数字前要加冠词the，如the 1820s/the 1820s 19世纪二十年代；故选D。知识梳理 Have you counted the stairs when you go upstairs?The first,the second,the third知识梳理Well,I can do it!The firstThe second知识梳理 表示顺序的数词称为序数词。序数词一般以与之相应的基数词加词尾th构成

5、；多个单词时，仅最后一个变为序数词。序数词前一般需“the”序数词基数词(表示个数的词)1-one 一个 2-two 两个3-three 三个4-four 四个5-five 五个first (1st)第一second (2nd)第二fourth (4th)第四third (3rd)第三fifth (5th)第五 序数词(表示顺序的词)知识梳理基数词(表示个数的词)9-nine 九个12-twelve 十二个20-twenty 二十个21-twenty-one 二十一个30-thirty 三十个ninth (9th)第九thirtieth (30th)第三十twenty-first (21st)

6、第二十一twentieth (20th)第二十twelfth (12th)第十二 序数词(表示顺序的词)知识梳理知识梳理one(一)-first(第一)two(二)-second(第二)three(三)-third(第三)特殊变化five(五)-fifth(第五)twelve(十二)-twelfth(第十二)eight(八)-eighth(第八)nine(九)-ninth(第九)知识梳理整十的序数词把 y 变成 i加-eth1 twenty(二十)-twentieth(第二十)2 thirty(三十)-thirtieth(第三十)3 forty(四十)-fortieth(第四十)4 fifty

7、(五十)-fiftieth(第五十)你能写出 sixty seventy eighty ninety 的序数词吗？知识梳理1.Sixty-sixtieth2.seventy-seventieth3.eighty-eightieth4.ninety-ninetiethAre you right?知识梳理几十几的序数词，十位数不变，个位数变成序数词。1.twenty-one 21(二十一)twenty-first 21st(第二十一)2.thirty-two 32(三十二)thirty-second 32nd(第三十二)3.ninety-nine 99(九十九)ninety-ninth 99th(

8、第九十九)4.请写出66 83 48 55的序数词。知识梳理请写出66 83 48 55的序数词。1.sixty-sixth2.eighty-third3.forty-eighth4.fifty-fifth知识梳理第一列第二列第三列第四列1st first2nd second3rd third4th fourth5th fifth11th eleventh12th twelfth13th thirteenth14th fourteenth15th fifteenth20th twentieth30th thirtieth40th fortieth50th fiftieth60th sixtie

9、th100thone hundredth1,000thone thousandth知识梳理基变序之口诀记忆基变序，有规律，一、二、三特殊记first，second，third，从四开始加th、八去t、九去e加th，五、十二变ve为f加th，整十后变y为ie加th，若想表示几十几，只变个位就可以。知识梳理序数词之句法功能知识梳理1.序数词作主语、宾语、表语、定语。主语：The first of June is Childrens Day.（六月的第一天是儿童节）宾语：There are two books，he likes the first。（这有两本书，他喜欢第一本）知识梳理序数词作主语、宾

10、语、表语、定语。表语：She was the fifth in the exam.这次考试她第五名定语：We live on the fifth floor。我们住在五楼 知识梳理2.序数词前一般加定冠词the，表示“第几”。the second answer is right.第二个答案是正确的。知识梳理3.序数词之前已有物主代词、指示代词或名词所有格修饰时，不用定冠词。Congratulate our first success.祝贺我们的第一次成功。知识梳理当序数词前面不用定冠词a/an时，表示“再一，又一”的意思。-Mom,I am very hungry now,please giv

11、e me a second cake.-OK,come here.注意知识梳理日期的表达 dateWhats the date today?Its March 28th.知识梳理Whats the date?(11月15日)Its November 15th.Its+月份+日期.知识梳理10月5日8月15日9月10日12月21日1月20日3月30日October fifth.August fifteenthSeptember tenthDecember twenty-firstJanuary twentiethMarch thirtieth知识梳理Whens your birthday?(9月

12、10日)Its on September 10th.Its+on+月份+日期.Whats the date?Its November 15th.Its+月份+日期.Its in September.Its+in+月份.Its on September 10th.Its+on+月份+日期.Whens your birthday?知识梳理表达编号Unit 5/the fifth unit Line 9/the ninth lineClass 1 Grade 9Room 205Page 46Tel.No.13698492008 基数词放到名词的后边,该名词一般要大写；序数词放到名词的前面，加定冠词t

13、he。知识梳理知识梳理1分数的表达与读法。分子须用基数词，分母用序数词。（母序子基）分子如果大于1，分母须用复数。(子大1，母复数）先读分子，再读分母。分子为one时可换用“a”。分数表达知识梳理Two thirds of the students are girls in our class.在我们班，三分之二的学生是女孩。Four sevenths of the land is covered with trees。七分之四的土地被树覆盖着。句型展现知识梳理 当分数修饰的名词为单数可数名词或不可数名词时，其后谓语动词用单数 当分数修饰的名词为可数名词复数时，其后谓语动词用复数；雷区注意知识

14、梳理21/2 读作“a(one)half”，(而不是a second“一秒钟”)；1/4 既可读作“a(one)quarter”，又可读作“a(one)fourth”eg:Three quarters of the worlds books and newspapers are written in English.世界上3/4的书和报纸是用英语写的。知识梳理分数的构成，分子用基数词，分母用序数词。分子是1时，分母用单数。分子大于1时，分母用复数。分数修饰名词时，后用of短语。口诀记忆游戏时间Game Timeeighththirdfirstsixthfifthsecond游戏时间nintht

15、wentiethseventeenththirty-thirdtwelfthtwenty-first游戏时间03课堂练习课堂课堂导入导入知识梳理课堂练习课堂小结课后作业课堂练习阅读训练一Many people like to watch TV.Watching TV is one of the most important activities of the day.TV brings the outside closer to peoples homes.Some people say the world is smaller than before because of TV.Whats

16、going on the other countries?How do people live in places far away?Is there a good sports game somewhere?If you want to answer these and many other questions,just turn on the TV and watch it.课堂练习阅读训练一 You can see a lot and learn a lot.Of course,people can also learn through(通过)reading or listening t

17、o the radio.With TV,however,they can learn better and more easily.Why?Because they can hear and watch.TV helps us a lot.TV often gives us new ideas.We learn newer and better ways of doing things.课堂练习根据短文内容，选择最佳答案。()1.Some people say the world is smaller than before because _.A.TV makes the earth sma

18、ller and smaller B.all people like watching TV.C.watching TV is one of the most important activities of the day D.TV brings the outside world closer to people.()2.We can _ when we watch TV.A.go to live in the other countries B.answer many questions C.get a lot of information D.ask TV some questions

19、课堂练习()3.People learn better through TV than through the radio because _.A.TV sets are bigger than radios B.people can hear and they can watch,too C.if people dont have TV,they can not live happily.D.its easier to turn on TV than to turn on the radio 课堂练习()4.TV can _.A.teach us a lot of things B.lear

20、n a lot of things C.give us what we want D.help us do our homework()5.This article(文章)tells us _.A.its good to watch TV B.not to watch TV any more C.students should not watch TV at any time D.to stop reading to watch TV 课堂练习【主旨大意】很多人喜欢看电视。看电视成了人们每日的重要活动之一。电视把外面的世界带近了人们的家。有人说，由于电视，这世界变得比以前更小了。在别的国家发生

21、了什么事？远方的人们如何生活？在某个地方是否有精彩的体育赛事？如果你想知道这些，只需打开电视看一看。电视的视听双层功能，使得看电视比看书听广播更容易。电视帮助了我们很多。课堂练习1.D 细节理解题。读第一段可知。2.C 细节理解题。读第二三段材料，再用生活常识判断可知。3.B 由第三段后两句可知。4.A 读最后一段可知。5.A 整体理解题，通读全文可知。课堂练习阅读训练二 Now,China has the second largest number of Internet users in the world after the United StatesMany of Chinese In

22、ternet users are teenagersThey spend about 13 hours every week onlineOn the Internet，students can find out almost anythingSurfing the Internet can help them with their homework and learn a lot of knowledge课堂练习阅读训练二 People can use the Internet to write letters，stories and to send emailsMany teenagers

23、 keep in touch with their friends onlineThey can also make new friends through QQ or ICQSome of the students surf the Internet just for funThey like to listen to music，watch films，and go to their favorite stars websites课堂练习阅读训练二 But some parents always think that the Internet takes young people away

24、 from study“They spend too much time playing computer games and most games are about killing and fightingIts too dangerousAnd there are some dirty things on the Internet，”says the mother of a 13-year-old boy课堂练习1According to this passage，China has the _ highest number of Internet users Asecond Bthir

25、d Cfirst Dfourth2Some of the students surf the Internet for funWhat can they do?AThey can listen to music and watch films BThey can go to their favorite stars websites CThey write lettersstories and send emails DA and B课堂练习3Some parents worry that the Internet is _ Ahelpful Bdangerous Ctraditional D

26、useful4The phrase keep in touch with”means _ A保持联系 B交朋友C打电话D写信5Whats the best title（题目）of this article?AThe InternetBThe Computer CThe Teenagers D.The Mother 课堂练习【主旨大意】如今中国已成为继美国之后的第二大互联网使用大国。中国的互联网用户多为青少年。他们每周的在线时间大约为13小时。在网上，学生们几乎可以查到各种东西。上网可以帮助他们的功课，让他们学到很多的知识。人们使用互联网的用处多多，写信、发邮件、联系朋友、听音乐等等。但是父母对

27、于孩子们上网却是很是担忧。课堂练习1.A 由China has the second largest number of Internet users in the world可知。2.D由每二段最后一句可知。3.B由最后一段Its too dangerousAnd there are some dirty things on the Internet，可知。4.A词意猜测题。读上下文可猜知。5.A文意概括题。通读全文可知。04课堂小结课堂课堂导入导入知识梳理课堂练习课堂小结课后作业课堂小结05课后作业课堂课堂导入导入知识梳理课堂练习课堂小结课后作业课后作业()1.Please turn to

28、 _.A.Page 11 B.the 11st page C.page 11 D.page the 11th()2.At night we can see _ stars in the sky.A.thousands and thousands of B.thousand and thousands of C.a thousand and thousands D.thousand and thousand()3.There are some _ in our classroom.A.hundred of books B.the hundreds of books C.hundreds of b

29、ooks D.hundred of book()4.I have been to the village _.A.a hundred time B.hundred times C.hundreds of times D.hundred of times课后作业()5.There are _ students in our school.A.fourhundred and fortyfive B.four hundred and fortyfive C.four hundreds and fortyfive D.four hundred and forty five()6.The teacher

30、 told me to go over _ lessons.A.thirst three B.the three first C.three the first D.the first three()7.May is _ of a year.A.the fifth months B.the fifth month C.the five months D.the five month()8.We live in _.A.the twenty-first century B.the century twenty-one C.century twenty-one D.the century twenty-first课后作业1.电话号码8485308 _ 2.第六十四中学 _3.成千上万的儿童 _ 4.两个月半 _5.45路公共汽车 _ 6.三分之一 _二、翻译下列句子课后作业一、18.AACCBDBA二、1.Telephone number/Tel.No.eight four eight five three o eight2.No.Sixty-four Middle School 3.thousands of children 4.half and two months/two months and a half 5.No.45 bus/Bus 456.one third