數(shù)

詞Generalteachingcourseware數(shù)詞是用來(lái)表示數(shù)量或順序的詞。數(shù)詞可以分為基數(shù)詞和序數(shù)詞。CONTENTS目錄基數(shù)詞01序數(shù)詞02其他數(shù)詞0304數(shù)詞的用法基數(shù)詞01構(gòu)成011-10onetwothreefourfivesixseveneightnineten11-19eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen20-100twentythirtyfortyfiftysixtyseventyeightyninetyhundred口訣找清規(guī)律很容易，十二以內(nèi)詞名異；十三數(shù)到十九去，后加-teen莫忘記。二十、三十至九十，整十之后有-ty；如果要說(shuō)“幾十幾”，中間“-”號(hào)別丟棄，hundred是“一百”，請(qǐng)你記住莫大意。基數(shù)詞的基本形式表示幾百幾時(shí)，在幾十幾與百位間加上and101onehundredandone千位數(shù)以上，從數(shù)字的右端向左端數(shù)起，每三位數(shù)加一個(gè)逗號(hào)“,”。thousand千million百萬(wàn)billion十億表示幾十幾時(shí)，在幾十和個(gè)位基數(shù)詞形式之間添加連字符“-”21twenty-one基數(shù)詞的復(fù)數(shù)形式02AB01基數(shù)詞在表示確切的數(shù)字時(shí)，不能使用百、千、百萬(wàn)、十億的復(fù)數(shù)形式；但是，當(dāng)基數(shù)詞表示不確切數(shù)字，如成百、成千上萬(wàn)，三三兩兩時(shí)，基數(shù)詞則以復(fù)數(shù)形式出現(xiàn)。Therearehundredsofpeopleinthehall．Theywenttothetheatreintwosandthrees．02表示人的不確切歲數(shù)或年代，用幾十的復(fù)數(shù)形式表示。Hebecameaprofessorinhisthirties．Itwasinthe1960s．主語(yǔ)、賓語(yǔ)、定語(yǔ)、表語(yǔ)、同位語(yǔ)。主要表示事物或人物的個(gè)數(shù)。Thetwohappilyopenedthebox．Ineedthreealtogether．Fourstudentsareplayingvolleyballoutside．

Wearesixteen．Theythreetriedtofinishthetaskbeforesunset．基數(shù)詞的語(yǔ)法成分03

位于another,all之后Canyouhaveanothertwocakes?

Theboylostallthefivepencilslastweek.

位于such和more之前Icanfinishreadingtwosuchbooksintwodays.Pleasegivemeonemoreappletoeat.

可置于last,next,other之前或之后HislasttwobooksarewritteninEnglish.

基數(shù)詞的使用位置04序數(shù)詞02基變序，有規(guī)律，詞尾加上-th。一二三，特殊記，詞尾字母t，d，d。八去t，九除e，f來(lái)把ve替。ty改為tie。若是碰到幾十幾，前用基來(lái)后用序?？谠Efirst—1stsecond—2ndthird—3rdfourth—4thsixth—6thtwentieth—20thtwenty-third—23rd其中1st，2nd，3rd為特殊形式，其它的都是阿拉伯?dāng)?shù)字后加th縮寫第一first第二second第三third第四fourth第五fifth除了first，second，third有獨(dú)特形式以外，其他的通常是在基數(shù)詞詞尾加-th構(gòu)成。構(gòu)成

010203定語(yǔ)表語(yǔ)賓語(yǔ)Weallhadasecondpizza.04主語(yǔ)ThesecondiswhatIreallyneed.語(yǔ)法成分010203序數(shù)詞前面一般要加定冠詞the序數(shù)詞前面有名詞所有格、形容詞性物主代詞時(shí)，不用加theMr.WangismyfirstEnglishteacher.序數(shù)詞前可以使用a或an，表示的含義是“又一，再一”Weallhadasecondpie.

用法0405比賽或考試的名次前可省略theJackwassecondintheexam.the+序數(shù)詞+形容詞/副詞的最高級(jí)TheHuangheRiveristhesecondlongestriverinChina.用法其他數(shù)詞03其他數(shù)詞分?jǐn)?shù)小數(shù)百分?jǐn)?shù)分?jǐn)?shù)由基數(shù)詞和序數(shù)詞構(gòu)成——分子用基數(shù)詞，分母用序數(shù)詞，分子超過(guò)“1”時(shí)，分母用復(fù)數(shù)1/6onesixth2/3two?thirds小數(shù)點(diǎn)前的數(shù)按普通基數(shù)詞的讀法讀，小數(shù)點(diǎn)后的數(shù)按單個(gè)數(shù)字一一讀出。小數(shù)點(diǎn)讀作point1.56one?point?five?sixten?10.305tenpoint?three?zero?five百分?jǐn)?shù)由基數(shù)詞(或小數(shù))和百分號(hào)(%)組成，百分號(hào)(%)讀作：percent15%fifteen?percent0.6%zero?point?six?percent數(shù)詞的用法04倍數(shù)的表達(dá)

基數(shù)詞+times+形容詞/副詞比較級(jí)+than（兩倍:twice)Theriveristwicelongerthanthatone.

基數(shù)詞+times+as+形容詞/副詞/名詞原形+asTheriveristhreetimesaslongasthatone.

基數(shù)詞+times+the+名詞+ofTheriveristhreetimesthelengthofthatone.年齡的表達(dá)“在……歲”的表示法：attheageof+基數(shù)詞、atage+基數(shù)詞、

at+基數(shù)詞attheageoftwentyatagetwentyattwenty在二十歲時(shí)“在某人幾十多歲時(shí)”的表示法：inone’s+基數(shù)詞整十?dāng)?shù)的復(fù)數(shù)形式inhisthirties在他三十多歲時(shí)句型某人第幾次做某事:Itis/was+序數(shù)詞+timesb.has/haddonesth.第幾個(gè)做某事的......序數(shù)詞+(名詞)+todosth.ItwasthethirdtimeKenhaddonatedgoodstohomelesspeople.thefifth(person)tofinishthistask練習(xí)051.(2022年全國(guó)新高考1卷·56)I’vealwayslovedtheocean.Inthe_______(seven)grade,IstartedvolunteeringattheMontereyBayAquariuminCalifornia.2.Osakaisthe________(two)largestcityinJapan.3.Thereare________(thousand)ofpeopleintheparkonMayDay.4.YuriGagarinbecamethefirstman______(fly)inspace.5.Itwasthethirdtimeoneofhiscars_________(go)upinflames.6.However,intheurbandistrictofBeijinghousesalonghutongsstilloccupyone_______(three)ofthetotalarea,providinghousingforhalfofthepopulation.seventhsecondthousandstoflyhadgonethird語(yǔ)法填空1.(2019年全國(guó)Ⅱ卷)Then,whenIwasinthefivegrade,IwantedtobeateacherbecauseIlikedmyEnglishteacherverymuch.2.(2017全國(guó)Ⅰ卷)Istillrememberhowhardfirstdaywas.3.(2017全國(guó)Ⅰ卷)Inthesummerholidayfollowingmyei