
定義:表示數(shù)目多少或順序先后的詞叫做數(shù)詞。數(shù)詞有兩種:表示數(shù)目多少的數(shù)詞叫做基數(shù)詞,如:ne,tw,three...,ninety-fur等;表示順序先后的數(shù)詞叫做序數(shù)詞,如:first,secnd,third...,fifteenth等。There are five peple in my family. We live n the sixth flr in a tall building.我家有五口人。我們住在一座高樓的第六層。
基數(shù)詞(一)基數(shù)詞的表示方法1.基數(shù)詞1~12是獨立的詞,13~19都是以teen結(jié)尾的詞。
(1)1~12要逐個記:1 ne /w?n/ 2 tw /tu?/3 three /θri?/ 4 fur /f??/5 five /faIv/ 6 six /sIks/7 seven / ' sevn/ 8 eight /eIt/9 nine /naIn/ 10 ten /ten/11 eleven /I ' levn/ 12 twelve /twelv/
(2)13~19都以teen結(jié)尾,都是雙重音:13 thirteen /,θ?? ' ti?n/ 14 furteen /,f??' ti?n/15 fifteen /,fif' ti?n/ 16 sixteen /,siks' ti?n/17 seventeen /,sevn' ti?n/ 18 eighteen /,eI' ti?n/19 nineteen /,naIn' ti?n/
2.基數(shù)詞20~90整十位數(shù)都是以ty結(jié)尾。
20 twenty / ' twentI/ 30 thirty / ' θ??tI/40 frty / ' f??tI/ 50 fifty / ' fIftI/60 sixty / ' sIkstI/ 70 seventy / ' sevntI/80 eighty / ' eItI/ 90 ninety / ' naIntI/
注:13~19的teen/'ti?n/都是重讀音,而20~90的ty/tI/都是非重讀音節(jié);/'ti?n/為長音,而/tI/為短音。
3.基數(shù)詞21~99都是由“幾十”和“幾”合起來構(gòu)成,詞中間加連字符(但音標里不加連字符),并分別重讀。21 twenty-ne /,twentI'w?n/23 twenty-three /,twentI'θri?/34 thirty-fur /,θ??tI'f??/45 frty-five /,f??tI'faIv/56 fifty-six /,fIftI'sIks/67 sixty-seven /,sIkstI'sevn/
4.基數(shù)詞101~999,先說“幾百”,再加“and”,再加末兩位數(shù)?!狧w many days are there in a year? 一年有多少天?—_________________________. 三百六十五天.
5.1,000以上的數(shù),先從后向前數(shù),每三位加“,”,第一個“,”前為thusand,第二個“,”前為millin,第三個“,”前為billin(美式)或thusand millin(英式)。—Can yu write the number _______________________________________?你會寫數(shù)字85,626嗎?—Yes, it is 85,626. 會寫,它是85,626。
Three hundred and sixty-five
eighty-five thusand,six hundred and twenty-six
6.百(hundred),千(thusand),百萬(millin)等詞與數(shù)字或a(n)連用時,詞尾不可加“s”。The cmputer was cheap. ______________________________________那臺電腦很便宜,我只花了兩千元.
7.百(hundred),千(thusand),百萬(millin)等詞與介詞f連用時,須用復(fù)數(shù)形式,表示不確定數(shù)目,其前不可與數(shù)字連用?!狧w many peple went t Beijing fr the Olympic Games in 2008?有多少人去北京看2008年奧運會?—_______________,I think. 上百萬,我認為。
I spent nly tw thusand yuan n it.
8.表示“幾十”的數(shù)詞的復(fù)數(shù)形式可用來表示人的歲數(shù),在表示“幾十年代”時,可以用基數(shù)詞的復(fù)數(shù)形式,也可用阿拉伯數(shù)字加“s”或“'s”。She is ________________ but she lks yung.她五十多歲,但她看上去很年輕。Frm_______________ t _______________,picture-stry cartns were very ppular.從20世紀50年代到20世紀70年代,圖畫故事的卡通片是很受歡迎的。
the 1950's(1950s)
in her fifties
the 1970's(1970s)
9.基數(shù)詞可與其他詞構(gòu)成合成形容詞。Kate is an __________________ girl. 凱特是個18歲的女孩。10.基數(shù)詞可用作主語、賓語、表語或同位語。Give him three.(賓語) 給他三個。___________ f the teachers in ur schl are wmen teachers.(主語)我們學校三分之二的老師是女老師。
eighteen的讀音以元音開頭,故其前要用不定冠詞an。注:這種合成形容詞的結(jié)構(gòu)為:“數(shù)詞+單數(shù)名詞+形容詞”。復(fù)合形容詞中,詞與詞之間要加連字符“-”。
eighteen-year-ld
11.電話號碼的讀法為順次讀出一個個數(shù)字,“0”讀作“”或“zer”。數(shù)字連續(xù)重現(xiàn)時可用“duble(雙)”。62884405讀作__________________________________或_________________________________________。
six tw eight eight fur fur (或zer)five
six tw duble eight duble fur (或zer)five
(二)序數(shù)詞表示順序的數(shù)詞稱為序數(shù)詞。序數(shù)詞一般以與之相應(yīng)的基數(shù)詞加詞尾th構(gòu)成;多個單詞時,僅最后一個變?yōu)樾驍?shù)詞。序數(shù)詞前一般需加“the”。
1.“基數(shù)詞”變“序數(shù)詞”的口訣:基變序,有規(guī)律,一、二、三特殊記,first,secnd,third,從四開始加th,八去t,九去e加th,五、十二變ve為f加th,整十后變y為ie加th,若想表示幾十幾,只變個位就可以。
2.序數(shù)詞作主語、賓語、表語、定語、同位語或狀語。She was the_fifth in the exam.(作表語)The first f June is Children's Day.(主語)3.表順序時,基數(shù)詞和序數(shù)詞可互換,如:Lessn Five=____________________
(三)分數(shù)1.分數(shù)的表達與讀法。Tw thirds f the students are girls in ur class. 在我們班,三分之二的學生是女孩。
the fifth lessn
分子須用基數(shù)詞,分母用序數(shù)詞。分子如果大于1,分母須用復(fù)數(shù)形式。先讀分子,再讀分母。分子為ne時可換用“a”。
2.1/2讀作“a(ne)half”(而不是a secnd“一秒鐘”);1/4既可讀作“a(ne)quarter”,又可讀作“a(ne)furth”。__________________________________________ are written in English.世界上3/4的書和報紙是用英語寫的。
Three quarters f the wrld's bks and newspapers
3.較復(fù)雜的分數(shù)的讀法為“基數(shù)詞分子+ver+基數(shù)詞分母”。帶分數(shù)的讀法是在整數(shù)與分數(shù)之間加讀and。
(四)其他數(shù)的表達1.小數(shù)的讀法:小數(shù)點前的基數(shù)詞與前面所講的基數(shù)詞讀法完全相同,小數(shù)點讀作“pint”,小數(shù)點后只需將數(shù)字一一讀出。15.67讀作________________________0.009讀作zer pint zer zer nine 2.百分數(shù)的讀法:先讀基數(shù)詞,再讀百分號“%”(讀作percent)。5%讀作five percent0.5%讀作_____________________200%讀作______________________
fifteen pint six seven
zer pint five percent
tw hundred percent
3.年代的讀法為兩位、兩位地讀。整百的后讀hundred,整千的后讀thusand,前常加“the year”。1937讀作nineteen thirty-seven 或:nineteen hundred and thirty-seven1900年讀作nineteen hundred1905年讀作nineteen and(或)five 或:nineteen hundred and five 2000年讀作the year tw thusand4.表示公元后在年份前或后加AD/ ,eI'di?/皆可,公元前一律在年份后加BC/ , bi?'ci?/。表幾十年代時,前加 the,
后加's或s/z/。frm 200 BC t 500 AD/AD 500從公元前200年到公元后500年in the 1960's或1960s(讀作nineteen sixties) 二十世紀六十年代5.年、月、日的英語順序為“月,日,年”。“日”用序數(shù)詞讀和寫(寫時也可用基數(shù)詞);“日”讀在“月”前時要加讀“f”。July 7(th),2005 2005年7月7日讀作:July the seventh tw thusand and five 或the seventh f July tw thusand and five Tday is Thursday,September 19th.今天星期四,9月19日。
7.一些數(shù)學公式的讀法:“加”用plus/and,“減”用minus, “乘”用times,“除”用divided by,動詞多用單數(shù),如:3+5=8讀作:9-2=7讀作:6×5=30讀作:8÷4=2讀作:
Three plus/and five is eight.Nine minus tw is seven.Five times six is thirty.Eight divided by fur is tw.
1.Nw,everybdy,please turn t Page________and lk at the________picture.A.Fifth;five B.Five;fifth C.Fifth;fifth D.Five;five2.—D yu have enugh students t clean the labratry?—N, I think we need ________students.A.a(chǎn)nther B.tw thersC.mre tw D.tw mre3.The gvernment f Chngqing is building________cheap and gd huses fr the peple.A.thusand B.thusandsC.thusand f D.thusands f4.Nwadays ________f business letters are written in English.A.tw third B.tw thirdsC.tw three D.secnd three
5.—David, hw ld is yur father this year?—________.And we just had a special party fr his ________ birthday last weekend.A.Frtieth;frty B.Frty;frtyC.Frty;frtieth D.Frtieth;frtieth6.Nearly ________f the earth ______cvered by sea.A.three furth; is B.three furths; isC.three furth; are D.three furths; are7.The number f the students in ur schl is abut nine ________. ________ f them are bys.A.hundred; Tw thirdsB.hundred; Tw thirdC.hundreds; Tw thirdsD.hundreds; Tw third
基 數(shù) 詞
0-12 zer, ne, tw, three, fur, five, six, seven, eight, nine, ten, eleven, twelve13-19 thirteen, furteen, fifteen, sixteen, seventeen, eighteen nineteen
20-99 twenty, twenty-ne, twenty-tw, twenty-three, twenty-fur,thirty, frty, fifty, sixty,seventy, eighty, ninety
100 - - ne hundred 101ne hundred and ne 321three hundred and twenty-ne
1,000 - - ne thusandtw thusand
2,500 tw thusand five hundred2,550 tw thusand five hundred and fifty 2,555 tw thusand five hundred and fifty-five2,050 tw thusand and fifty2,005 tw thusand and five2,505 tw thusand five hundred and five
1,000 - - ne thusand1,000,000 --ne millin1,000,000,000 --ne billin
百 千 百萬 十億2545,5993,758,590
tw hundred and fifty-fur
five thusand five hundred and ninety-nine
three millin seven hundred and fifty-eight thusand five hundred and ninety
ninety-eight billin seven hundred and sixty-five millin fur hundred and thirty-twthusand and twenty- three
98,765,432,023
three hundred five thusand eight millin several thusand
hundreds fthusands fmillins fbillins f
數(shù)以百計的,成百上千的數(shù)以千計的,成千上萬的數(shù) 百萬的,成百上千萬的數(shù)十億的
thusands f cups f milk
first secnd third furth fifth sixthseventh eighth ninth tenth
第一,第二,第三 … 第十:
eleventh twelfth thirteenth furteenthfifteenth
第十一,第十二, … 第十五:
twentieth thirtieth frtieth fiftieth sixtieth seventieth eightieth ninetieth
第二十,第三十,第六十,… 第九十:
thirty-first frty-secnd fifty-third
第三十一,第四十二,第五十三:
基變序,有規(guī)律,一 、二、三,個別記;-th 從四起,八加-h ,九去-e ;-ve 要用-f 替,以 y 結(jié)尾變-ie ;幾十幾,幾百幾,首詞不變尾變序。
序數(shù)詞前通常加 the ,如 the first如序數(shù)詞前有 物主代詞r名詞所有格,則不加 the ,如 my secnd English teacher
1/21/3 1/4 2/3
ne half; a half
ne furth 或 a/ ne quarter
thirty percent
sixty-eight percent
ne hundred percent
70 percent f the earth’s surface ___ water.Three furths f the students ___ frm America.
zer pint ne
zer pint zer ne
twelve pint five three
3:00 three ’clck2:35 tw thirty-five8:49 eight frty-nine
前半小時(包括半小時)past4:20 twenty past fur9:30 thirty past ninehalf past nine
后半小時 t7:35 twenty-five t eight11:45 fifteen t twelve a quarter t twelve
fur fifteenfifteen past fur
eight fiftyten t nine
twelve twenty-fivetwenty-five past twelve
thirteen twenty-fivefifteen t furteen
6485,880,0009:407:152008 年 8 月 8
six hundred and frty-eight
five millin eight hundred and eighty thusand
twenty t ten
seven fifteen
a quarter past seven
fifteen past seven
2020 年 1 月 24
January 24th, 2020
1 .--- What's the date tday? --- It’s ( ) .A .Friday B .time t gC .cludy D .June 4th2 .Lk! There are( ) in the sky.A .thusand stars B .thusand f starsC .thusands f stars D .thusands f star
3 .My brther is in( ) .A .Three Class, One Grade B .Class Three, Grade OneC .Grade One, Class Three D .class three, grade ne4 .Only three percent f the cats ( ) perfect .A .is B .a(chǎn)reC .have D .has
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