2024届高考英语复习专题：数词课件.pptx

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1、数数 词词GENERAL TEACHING COURSEWARE数词是用来表示数量或顺序的词。数词可以分为基数词和序数词。CONTENTS目录基数词基数词01序数词序数词02其他数词其他数词0304数词的用法数词的用法基数词基数词01构成011-10one two three four five six seven eight nine ten11-19eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20-100twenty thirty forty fifty sixty seventy

2、eighty ninety hundred 口诀口诀找清规律很容易，十二以内词名异；找清规律很容易，十二以内词名异；十三数到十九去，后加十三数到十九去，后加-teen莫忘记。莫忘记。二十、二十、三十至九十，整十之后有三十至九十，整十之后有-ty；如果要说如果要说“几十几几十几”，中间，中间“-”号别丢弃，号别丢弃，hundred是是“一百一百”，请你记住莫大意。，请你记住莫大意。基数词的基本形式基数词的基本形式表示几百几时，在几十几与百位间加上 and 101 one hundred and one 千位数以上，从数字的右端向左端数起，每三位数加一个逗号“,”。thousand 千millio

3、n 百万billion 十亿表示几十几时，在几十和个位基数词形式之间添加连字符“-”21 twenty-one 基数词的复数形式基数词的复数形式02AB01基数词在表示确切的数字时，不能使用百、千、百万、十亿的复数形式；但是，当基数词表示不确切数字，如成百、成千上万，三三两两时，基数词则以复数形式出现。There are hundreds of people in the hall They went to the theatre in twos and threes 02表示人的不确切岁数或年代，用几十的复数形式表示。He became a professor in his thirties

4、 It was in the 1960s 主语、宾语、定语、表语、同位语。主要表示事物或主语、宾语、定语、表语、同位语。主要表示事物或人物的个数。人物的个数。The two happily opened the boxThe two happily opened the box I need three altogetherI need three altogether Four students are playing volleyball outsideFour students are playing volleyball outside We are sixteenWe are six

5、teen They three tried to finish the task before sunsetThey three tried to finish the task before sunset 基数词的语法成分基数词的语法成分03 位于位于another,allanother,all之后之后 Can you have another two cakes?The boy lost all the five pencils last week.位于位于suchsuch和和moremore之前之前 I can finish reading two such books in two d

6、ays.Please give me one more apple to eat.可置于可置于last,next,otherlast,next,other之前或之后之前或之后 His last two books are written in English.基数词的使用位置基数词的使用位置04序数词序数词02基变序，有规律，基变序，有规律，词尾加上词尾加上-th。一二三，特殊记，一二三，特殊记，词尾字母词尾字母t，d，d。八八去去t，九九除除e，f来来把把ve替替。ty改为改为tie。若是碰到几十几，若是碰到几十几，前用基来后用序。前用基来后用序。口诀口诀first1stsecond2ndt

7、hird3rdfourth4thsixth6thtwentieth20thtwenty-third23rd其其中中1st，2nd，3rd为为特特殊殊形形式式，其其它它的的都都是是阿阿拉拉伯伯数数字字后加后加th缩写缩写第一第一 first第二第二 second第三第三 third第四第四 fourth第五第五 fifth除除 了了 first，second，third有有独独特特形形式式以以外外，其其他他的的通通常常是是在在基基数数词词尾加词词尾加-th构成。构成。构成构成 010102020303定语定语The first student to come to school is usual

8、ly Jim.表语表语Mr.Wang is the first in this competition.宾语宾语We all had a second pizza.0404主语主语The second is what I really need.语法成分语法成分010102020303序数词前面一般要加定冠词序数词前面一般要加定冠词thetheThe first student to come to school is usually Jim.序数词前面有名词所有格、形容词性物主代序数词前面有名词所有格、形容词性物主代词时，不用加词时，不用加thetheMr.Wang is my first

9、English teacher.序数词前可以使用序数词前可以使用a a或或anan，表示的含义是，表示的含义是“又又一，再一一，再一”We all had a second pie.用法用法04040505比赛或考试的名次前可省略比赛或考试的名次前可省略thetheJack was second in the exam.the+the+序数词序数词+形容词形容词/副词的最高级副词的最高级The Huanghe River is the second longest river in China.用法用法其他数词其他数词03其他其他数词数词分数分数小数小数百分百分数数分数由基数词和序数词构成分数

10、由基数词和序数词构成分子用基数词，分母分子用基数词，分母用序数词，分子超过用序数词，分子超过“1”1”时，分母用复数时，分母用复数1/6 one sixth 2/3 twothirds 小数点前的数按普通基数词的读法读，小数点后的数小数点前的数按普通基数词的读法读，小数点后的数按单个数字一一读出。小数点读作按单个数字一一读出。小数点读作pointpoint1.56 onepointfivesixten10.305 ten pointthreezerofive百分数由基数词百分数由基数词(或小数或小数)和百分号和百分号(%)(%)组成，百分组成，百分号号(%)(%)读作：读作：percentpe

11、rcent15%fifteenpercent0.6%zeropointsixpercent数词的用法数词的用法04倍倍数数的的表表达达 基数词+times+形容词/副词比较级+than（两倍:twice)The river is twice longer than that one.基数词+times+as+形容词/副词/名词原形+asThe river is three times as long as that one.基数词+times+the+名词+ofThe river is three times the length of that one.年年龄龄的的表表达达“在岁”的表示法：

12、at the age of+基数词、at age+基数词、at+基数词 at the age of twenty at age twenty at twenty在二十岁时“在某人几十多岁时”的表示法：in ones+基数词整十数的复数形式 in his thirties 在他三十多岁时句句型型某人第几次做某事:It is/was+序数词+time sb.has/had done sth.第几个做某事的.序数词+(名词)+to do sth.It was the third time Ken had donated goods to homeless people.the fifth(perso

13、n)to finish this task练习练习051.(2022年全国新高考年全国新高考1卷卷56)Ive always loved the ocean.In the_(seven)grade,I started volunteering at the Monterey Bay Aquarium in California.2.Osaka is the _(two)largest city in Japan.3.There are _(thousand)of people in the park on May Day.4.Yuri Gagarin became the first man

14、_(fly)in space.5.It was the third time one of his cars _(go)up in flames.6.However,in the urban district of Beijing houses along hutongs still occupy one _(three)of the total area,providing housing for half of the population.seventhsecondthousandsto flyhad gonethird语法填空语法填空1.(2019年全国卷)Then,when I wa

15、s in the five grade,I wanted to be a teacher because I liked my English teacher very much.2.(2017全国卷)I still remember how hard first day was.3.(2017全国卷)In the summer holiday following my eighteen birthday,I took driving lessons.4.The station is a ten-minutes walk from my house.5.I just want to give these kids the second chance.fifththeeighteenthten-minute a短文改错短文改错THANK YOU FOR WATCHING