中考英語專題復(fù)習(xí)課件-數(shù)詞

數(shù)詞中考英語總復(fù)習(xí)數(shù)詞就是表示事物的數(shù)量和順序的詞,分為基數(shù)詞和序數(shù)詞兩種。數(shù)詞基數(shù)詞序數(shù)詞表示事物的數(shù)量表示事物的順序一.基數(shù)詞0zero1one2two3three

4four5five6six7seven8eight9nine10ten11eleven12twelve基數(shù)詞20twenty30thirty40forty

50fifty60sixty70seventy

80eighty90ninety

(3)20-90的整十?dāng)?shù)詞均以后綴-ty結(jié)尾。表示“幾十幾”時,個位和十位之間需加連詞符,如:twenty-one,thirty-two,forty-three.萬以上的數(shù)字讀法特點6,500,431,729hundredthousandmillionbillion注意每三個數(shù)為一個單位，按照百、十、個向下讀。6，500，431，729sevenhundredandtwenty-ninethousandmillionbillionsixbillion,fivehundredmillion,fourhundredandthirty-onethousand,hundred基數(shù)詞+hundredthousandmillion表示具體數(shù)字表示具體、準(zhǔn)確的數(shù)目時,hundred,thousand,million等詞后不能加-s,如:fivehundred,sixthousand,sevenmillion等。hundreds

thousands

millions+of表示概數(shù)當(dāng)hundred,thousand等數(shù)詞與of連用,表示不具體、不準(zhǔn)確的數(shù)目時,詞尾須加-s。如:thousandsofstudents,millionsoftrees.Thousandsandthousands

ofpeoplehavevisitedthe

city.若表示某一個數(shù)是某些特指人或東西中的一部分,hundred等后面可跟of。twohundredofthestudents

這些學(xué)生其中的二百個比較:twohundredstudents

二百個學(xué)生onestudent,oneofthestudentsafew后常接hundred;

many后常接hundredsof;several后常接hundred或hundredsof。afewhundredmen幾百人

manyhundredsofmen幾百人

二.序數(shù)詞序數(shù)詞1=one1st=first

2=two2nd=second

3=three3rd=third

4=four4th=fourth

5=five5th=fifth

6=six6th=sixth

7=seven7th=seventh

8=eight8th=eighth

9=nine9th=ninth

10=ten10th=tenth11=eleven11th=eleventh

12=twelve12th=twelfth13=thirteen13th=thirteenth

14=fourteen14th=fourteenth

15=fifteen15th=fifteenth

16=sixteen16th=sixteenth17=seventeen17th=seventeenth

18=eighteen18th=eighteenth19=nineteen19th=nineteenth

20=twenty20th=twentieth21=twenty-one21st=twenty-first

22=twenty-two22nd=twenty-second序數(shù)詞onetwothreefourfivesixseveneightninetenfirstsecondthird

fourth

fifth

sixth

seventh

eighth

ninth

tenth

1st2nd3rd4th5th6th7th8th9th

10th

eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwenty

eleventh

twelfth

thirteenth

fourteenth

fifteenth

sixteenth

seventeenth

eighteenth

nineteenth

twentieth11th12th13th14th15th16th17th18th19th20th基數(shù)詞基數(shù)詞序數(shù)詞序數(shù)詞基變序,有規(guī)律,詞尾加上th。123,特殊記,詞尾字母t,d,d。

8去t,9去e,f來把ve替。twenty-onetwenty-twotwenty-threethirtyfortyfiftysixtyseventyeightyninetyhundredtwenty-first

twenty-second

twenty-third

thirtieth

fortieth

fiftieth

sixtieth

seventieth

eightieth

ninetieth

hundredth

21st22nd23rd

30th40th

50th60th70th80th90th100th

整十y

變i，th前有小e來基數(shù)詞序數(shù)詞注:序數(shù)詞前通常要加定冠詞the。We’llgooveritasecondtime.

We’vetrieditthreetimes.Mustwetryitafourthtime?TheSecondWorldWarbrokeoutin1939.注:序數(shù)詞前出現(xiàn)不定冠詞a或an時,則表示“再—”,“又—”。(=another)數(shù)詞的表示法時間類型表示法例讀法整點基數(shù)詞(+o’clock)1:00﹤30分鐘分鐘+past+鐘點2:10=30分鐘half+past+鐘點3:30﹥30分鐘到下一個鐘點所差的分鐘數(shù)+to+下一個鐘點數(shù)

4:40分鐘逢15即一刻鐘aquarterpast/to5:156:45簡化法按順序讀基數(shù)詞7:50one(o’clock)tenpasttwohalfpastthreetwentytofiveaquarterpastfiveaquartertosevensevenfifty表示在幾點鐘用介詞at數(shù)詞的表示法—

時刻三、年月表示法thesixth(6th)century公元六世紀(jì)

公元十八世紀(jì)

inthe1900’s二十世紀(jì)

inthe1600’s十七世紀(jì)1.世紀(jì)可以用“the+序數(shù)詞+century”表示,也可以用“the+百位進(jìn)數(shù)加’s”表示2.年代用“the+基數(shù)詞表示的世紀(jì)+十位整數(shù)的復(fù)數(shù)形式表示的年代”構(gòu)成。在二十世紀(jì)三十年代

inthe1930s(inthenineteenthirties)

在十九世紀(jì)六十年代

inthe1860s(intheeighteensixties)“inone’s+整十位基數(shù)詞的復(fù)數(shù)形式”,表示“在某人幾十幾歲的時候”。inone’sforties在某人四十多歲時

Mymotherisinherfifties.①月日,年數(shù)詞的表示法—

年月日on

October

the

first,twothousand

andeight日the+序數(shù)詞月

(首字母大寫)月日與年之間用逗號分開年（兩位兩位讀）寫作on

August9(th)寫作in

May,2010有日用

on;無日用in在2008年10月1日寫作on

October1(st),2008②月日在8月9日③月年在2010年5月在具體的某一天的早晨、上午、下午、晚上、夜里用介詞on。morning,afternoon,evening等詞前用介詞in:inthemorning/afternoon/evening。但是,當(dāng)這些詞前或后有定語時,in應(yīng)改為on。HewasbornonthenightofDecember25th,1992.Hesuddenlycamebackonarainynight.分?jǐn)?shù)的表示法:分子用基數(shù)詞,分母用序數(shù)詞。分子大于1時,分母用復(fù)數(shù)(+s)?；鶖?shù)詞

序數(shù)詞數(shù)詞的表示法—

分?jǐn)?shù)80%百分?jǐn)?shù)(…%)基數(shù)詞+percenteightypercenthalf/(百)分?jǐn)?shù)+of+可數(shù)名詞復(fù)數(shù)謂語動詞用復(fù)數(shù)

half/(百)分?jǐn)?shù)+of+不可數(shù)名詞

謂語動詞用單數(shù)Threefourthsoftheapples____bad.Threefourthsoftheapple____bad.areis一個半小時

two

andahalf

hours=two

hours

andahalf

one

andahalf

hours=anhour

andahalf數(shù)詞的表示法——“……半”的表示法兩個半小時一年半兩年半

two

andahalf

years=two

years

andahalf

one

andahalf

years=ayear

andahalf數(shù)詞的表示法——

“一兩個”的表示法“a/an+單名+ortwo”

或“oneortwo+復(fù)名”。Don’tworry.You’llbeallrightinadayortwo.

Icanonlystayhereforoneortwodays.

Icanfinishtheworkinaweekortwo.“一兩個”

習(xí)慣上用注意:a/an和one不可調(diào)換。數(shù)詞的表示法—倍數(shù)的表達(dá)法一倍once,兩倍twice,三倍three

times(三倍或以上用基數(shù)詞＋times)Thisboxisfivetimes

as

big

as

thatone.=Thisboxisfourtimes

bigger

than

thatone.

AsiaisfourtimesaslargeasEurope.

亞洲是歐洲的四倍大。(比歐洲大三倍。)①A+be+倍數(shù)

+

as

+原級(big,long,wide,…)+

as

+B.A是B的……倍……。表示倍數(shù)的句型②A+be+倍數(shù)

+比較級(bigger,higher,longer,wider,…)+

than

+B.A比B大(長……)……倍。Thisroomistwicebiggerthanthatone.這個房間比那個(房間)大兩倍。

Thisdictionaryisfourtimesthickerthanthatbook.這本詞典比那本書厚四倍。表示倍數(shù)的句型數(shù)詞的表示法—計量表達(dá)法(身高年齡長寬高厚深)fourincheswide=fourinchesinwidth4英寸寬threefeethigh=threefeetinheight3英尺高ThecitywallofXi’anis12meterswideand12metershigh．

Thisboxis2kilogramsinweight．1.主語+be+基數(shù)詞+單位詞(meter,kilometer,foot,inch,kilogram等)+形容詞.

(形容詞tall,old,long,wide,high,thick,deep等