2023年中考英语复习重点语法数词ppt课件.pptx

1、 数词Can you count?Quick Q&AHow many hours are there in a day?Twenty-fourHow many days are there in a week?SevenHow many weeks are there in a month?Fourtwenty-foursevenfour数词表示数目多少的数词基数词第一关1-121 one2 two3 three4 four5 five6 six7 seven8 eight9 eight10 ten11 eleven12 twelve第二关13-1913 thirteen14 fourteen

2、15 fifteen16 sixteen17 seventeen18 eighteen19 nineteenWhich is special?13-19后面加teenWhats five and eight?A.ThreeteenB.ThirteenC.FourteenD.ForteenWhats five and eight?A.ThreeteenB.ThirteenC.FourteenD.Forteen第三关整十20 twenty30 thirty40 forty50 fifty60 sixty70 seventy80 eighty90 ninetyWhich is special?整十后

3、面加-ty第四关几十几21 twenty-one32 thirty-two43 forty-three54 fifty-four两位数：整十数+个位数中间用“-”连接Exerciseeighteenthirty-fourfifty-nineforty18345940100 200 300 400 one hundredtwo hundredthree hundredfour hundred101 220 358 440 one hundred and onetwo hundred and twentythree hundred and fifty-eightfour hundred and f

4、orty整百数词：1-9+hundred三位数：整百数 and 整十数-个位数hundred百百千千百万百万十亿十亿hundredthousandmillionbillion成千上百成千上万hundreds of thousands of 前若有具体数字具体数字，要用单数单数four hundred one thousand但如果它们后面有of，则要用复数复数，且前面不能再加具体数目，它们不表示确切的数字。thousands of peoplehundred，thousand，million，billion注意注意:1.两位数之间有连词符号“-”，三位数之间有“and”;2.hundred、t

5、housand、million、billion 前面有具体的数字时,后面不能加“s”;这三个词表示大概数字时词尾要加“s”.如 hundreds of(数以百计);thousands of(数以千计)有有S有有of，没，没of没没S;3.在英语里没有表示“万”的说法.”万“用 thousand 表示如 ten thousand(一万);forty thousand(四万).Exercisethree millionone hundred1.three millions2.one hundreds3.hundred of apples4.thousand of peoplehundreds of

6、 applesthousands of peopleIf you go out at night,youll be able to see stars.A.thousands ofB.thousand ofC.thousand D.thousandsOur summer holiday is coming.Two students in our school will go to the beach.A.hundredB.hundredsC.hundred ofD.hundreds ofLets do maths!oneFirsttwoSecondthreethird表示排列顺序的数词序数词基

7、数词序数词1 23first 第一second 第二 third 第三1-3 特殊记three4 four5 five6 six7 seven8 eight9 nine10 ten11 eleven12 twelve 13 thirteen 14 fourteen 15 fifteen16 sixteen17 seventeen18 eighteen19 nineteenfourthfiftheighthtwelfth sixteenthninththirteenthseventeenthsixthtenthfourteentheighteenthseventhelenventhfifteen

8、thnineteenth4-19 基数词theighteighththnineninthth8去去t来来9去去e 后面再加后面再加thfivetwelvefifthtwelfthfthfthve 要用要用f替替后面再加后面再加th20 twenty30 thirty40 forty50 fifty60 sixty70 seventy80 eighty90 ninetytwentieth thirtiethfiftietheightiethsixtiethninetiethfortiethseventieth整十见整十见y变成变成ie后加后加th莫忘记莫忘记31 5375thirty-first

9、(31st)第31fifty-third(53rd)第53seventy-fifth(75th)第75基数词序数词若是遇上若是遇上几十几几十几，只变只变个位个位就可以就可以1.seven 2.nine3.eleven4.twelve5.fifteen6.twenty-one7.thirty-two8.sixty9.eighty-sevenExerciseAutumn is the season of the year.thirdHe lives on the floor.A.five B.fivethC.fifthD.Fifteen数词基数词序数词表示数目的多少的数词表示顺序次第的数词1.13

10、-19 后加 teen;2.整十后面加 ty;3.其他两位数，整十数+个位数，中间用-连接;4.100-999整百数词由 1-9+hundred 构成;5.100-999 and 连接，整十数和个位数之整百数+整十数+个位数”。整百数和整十数之间用间用连字符“-”连接。1.一、二、三、特殊记；2.th 从四起，八去t来 九去e，遇到ve,f替；3.整十基数变序数，ty变为tie,末尾不忘th；4.若要遇到几十几，只变个位就可以。实际运用实际运用年、月、日年、月、日His birthday is in 1979.His birthday is in 1979.nineteen seventy-n

11、ine2025年份是四位数字时，各分成两位用基数词表示年份年份19191313thirteen thirteennineteen nineteentwenty twenty-fiveI can say2006 19951567 19002000 18581992 2019His birthday is in 1979.Which month？Which date？His birthday is on 2.8.February eighth 2.8February（the）eighth 写为：February 8（th）2.8February（the）eighth February eight

12、写为：February 8（th）8.1August（the）first August one写为：August 1（st）日期日期月份+the+序数词月份+基数词日期日期月份+the+序数词月份+基数词日期日期月份+the+序数词5.3May（the）third May three写为：May 3（rd）日期日期日期日期10月月9日日1月月1日日October the ninthJanuary the first日期日期10月月9日日1月月1日日January the first日期日期10月月9日日1月月1日日月份+the+序数词月份+基数词小结年、月、日年、月、日的表示法与汉语不同，英语

13、中表示日期的顺序:月-日-年(美式)或日-月-年(英式)。如:2006 年6 月1日写为:June 1st,2006 或 1st June,2006 1)“年年”的表示的表示表示“年”用基数词，读的时候分成两部分，先读前面的两位数，再读后面的两位数。如:1985 年读为:nineteen eight-five1992 年读为:nineteen ninety-two注意:1806 年读为“eighteen o six”或“eighteen six”;1900 年 通常读为“nineteen hundred”;2006 年通常读为“two thousand and six”时、分时、分时刻通常用基

14、数词表示时间时间 顺读法顺读法8:209:0011:45eight twentynine oclockeleven forty five时间的表达 past表示“几点过（分钟）”；分钟+past+小时 10:15 a quarter past ten to表示“距离几点还差（分钟）”（60-分钟）+to+（小时+1）9:45 a quarter to ten126 past to逆读法逆读法1.（分钟数不超过30分钟）2.（分钟数超过30分钟）9：27分钟数+past+点钟数（60-分钟数）+to+(点钟数+1)3.（分钟数=15分钟）a quarter+past+点钟数4.（分钟数=45分钟

15、）a quarter+to+(点钟数+1)twenty seven past nine3：48twelve to four2：15a quarter past two11：45a quarter to twelvePracticePractice小数，百分数小数，百分数小数按照基数词读小数点读作point小数点后的词，按照个位基数词顺序读出小数小数three point one four3.14基数词+point+基数词4.96 9.087.346four point nine sixnine point zero eight seven point three four six读作percent百分数百分数70%55%67%48%88%28%基数词+percent写出下列数字的英文表达写出下列数字的英文表达one point eighttwo point fivethirty percentAugust 1stseventeen fifty