語法專題：數(shù)詞2026屆一輪復(fù)習(xí)考點(diǎn)一、基數(shù)詞和序數(shù)詞的相互轉(zhuǎn)換考點(diǎn)二、與數(shù)詞相關(guān)的表達(dá)法考點(diǎn)三、易混易錯(cuò)數(shù)詞考點(diǎn)考點(diǎn)四、考查倍數(shù)表達(dá)法考點(diǎn)一、基數(shù)詞和序數(shù)詞的相互轉(zhuǎn)換1.一般來說，序數(shù)詞是由相應(yīng)的基數(shù)詞詞尾加th構(gòu)成。2.十位整數(shù)序數(shù)詞的構(gòu)成方法是將y變?yōu)閕，再加eth。3.兩位或兩位以上的基數(shù)詞變成序數(shù)詞時(shí)，僅將個(gè)位數(shù)變成序數(shù)詞。此外，常考的基數(shù)詞、序數(shù)詞一般會(huì)在100以內(nèi)。one—firsttwo—secondthree—thirdfour—fourthfive—fifthsix—sixthseven—seventheight—eighthnine—ninthten—tentheleven—eleventhtwelve—twelfththirteen—thirteenthfourteen—fourteenthfifteen—fifteenthsixteen—sixteenthseventeen—seventeentheighteen—eighteenthnineteen—nineteenthtwenty—twentieththirty—thirtiethforty—fortiethfifty—fiftiethsixty—sixtiethseventy—seventietheighty—eightiethninety—ninetieth1.Todayismybrother’s___________(five)birthday,soweplantohaveabigdinnerforhim.（答案：fifth）2.The__________(two)lessononMondaymorningisalwaysEnglish,whichIlikeverymuch.（答案：second）3.Ourteamwonthe_________(three)prizeintheschoolsportsmeetinglastweek.（答案：third）4.Myfamilywillmovetothe_________(eight)floorofthenewbuildingnextmonth.（答案：eighth）5.The_________(nine)monthofayearisSeptember,andit’susuallythestartofanewschoolterm.（答案：ninth）6.Hefinishedthe_________(twelve)taskbeforenoon,sohehadtimetorestintheafternoon.（答案：twelfth）7.The___________(fifteen)dayofthefirstlunarmonthistheLanternFestivalinChina.（答案：(fifteenth）8.Thisisthe__________(twenty)timeI’vecalledhim,buthestilldoesn’tanswerthephone.（答案：twentieth）9.Hergrandmother’s(sixty)birthdaypartywillbeheldinthecountrysidethisyear.（答案：sixtieth）10.The___________(ninety)pageofthisbookhasabeautifulillustrationofamountainvillage.（答案：ninetieth）

考點(diǎn)二、與數(shù)詞相關(guān)的表達(dá)法1.分?jǐn)?shù)是由基數(shù)詞作分子，序數(shù)詞作分母構(gòu)成的。除了分子是＂1＂的情況外，序數(shù)詞都要用復(fù)數(shù)。2.表示某人的大約年齡，即“幾十多歲”時(shí)，使用基數(shù)詞的復(fù)數(shù)形式。“insb.'s＋整十的基數(shù)詞的復(fù)數(shù)”意為“在某人幾十多歲時(shí)”。如：inhisfifties。3.當(dāng)hundred,thousand,million,billion前面有基數(shù)詞時(shí)，用單數(shù)形式，詞尾不加-s；前面有many,several,afew修飾時(shí)，仍用單數(shù)形式。如：severalbillionyears。4.“數(shù)詞＋普通名詞＋形容詞”構(gòu)成的合成形容詞中，數(shù)詞和普通名詞都要用單數(shù)形式。aneight-year-oldboy一個(gè)八歲的男孩a100-meter-longbridge一座100米長的橋5.

表示年代時(shí)，用“inthe+逢十的基數(shù)詞的復(fù)數(shù)”?；鶖?shù)詞的復(fù)數(shù)若用阿拉伯?dāng)?shù)字表示，可直接加s，也可加’s，如inthe1950s/1950’s。1.Abouttwo________(third)ofthestudentsinourclasshavejoinedtheschoolmusicclub.（答案：thirds）2.Mygrandfatherstartedlearningtouseasmartphonewhenhewasinhis___________(seventy).（答案：seventies）3.Thescientistspentoverthree___________(thousand)daysdoingexperimentstoprovehistheory.（答案：thousand）4.Onlyone____________(four)oftheapplesinthebasketarefresh;theresthavegonebad.（答案：fourth）5.Myaunt,whoisinher(forty),openedasmallcoffeeshopinourneighborhoodlastmonth.（答案：forties）6.Three_________(fifth)oftheresidentsinthiscommunitysaidtheyaresatisfiedwiththenewpublicfacilities.（答案：fifths）7.Theoldmanhaslivedinthistownforoversix____________(thousand)days.（答案：thousand）考點(diǎn)三、易混易錯(cuò)數(shù)詞考點(diǎn)1.序數(shù)詞前有時(shí)可用不定冠詞a/an，此時(shí)不強(qiáng)調(diào)順序。“a/an＋序數(shù)詞”相當(dāng)于another，表示“又一個(gè)，再一個(gè)”。You'dbettertrya

thirdtime.你最好再試一次。2.表示“許多，大量；一些”的詞和短語特征詞語備注只修飾可數(shù)名詞afew,quiteafew,many,agoodmany，alargenumberof,dozensof,scoresof，hundredsof,thousandsof,millionsof作主語時(shí)，謂語動(dòng)詞用復(fù)數(shù)只修飾不可數(shù)名詞alittle,much，agreatdealof,alargeamountof作主語時(shí)，謂語動(dòng)詞用單數(shù)既可以修飾可數(shù)名詞也可以修飾不可數(shù)名詞alotof,lotsof,plentyof作主語時(shí)，謂語動(dòng)詞單復(fù)數(shù)形式根據(jù)名詞來定alargequantityof作主語時(shí)，謂語動(dòng)詞單復(fù)數(shù)形式由后面的名詞決定largequantitiesof作主語時(shí)，謂語動(dòng)詞用復(fù)數(shù)1.Therearequiteafew_______(student)waitingoutsidethelibraryforthenewbookexhibition.答案：students3.Theoldphotoalbumbroughtbackmemoriesof______(dozen）ofhappydayswespenttogetherinthecountryside.答案：dozens3.Alotoftimeandeffort___________(put）intoresearchingthisnewtypeofenvironmentallyfriendlymaterial.答案：hasbeenput

考點(diǎn)四、考查倍數(shù)表達(dá)法1．倍數(shù)＋as＋形容詞(副詞)原級＋as...。Myincomeistwiceasmuchas

yours.我的收入是你的2倍。2．倍數(shù)＋thesize/length/width/depth/heightof...。Myhouseistwicethesizeof

his.我的房子是他的兩倍大。3．倍數(shù)＋thatof。Thesizeofmyhouseistwicethatof

his.我的房子是他的兩倍大。Inthisfactory,theoutputofJulyis4timesthatof

January.這個(gè)工廠七月份的產(chǎn)量是一月份的四倍。4．倍數(shù)＋比較級＋than。Theoutputofcarsin2012is4timesgreaterthan

thatof2011.2012年小轎車產(chǎn)量是2011年的5倍。翻譯以下句子,注意其中倍數(shù)的表達(dá)法。Thenewlibraryisthreetimesasbigastheoldone.Thelengthofthisriveristwicethelengthoftheoneinourcity.單句語法填空1.Thepopulationofthistownin2023isfourtimesgreater______itwasin2010.（答案：than）2.Thisbuildingisthreetimesthe______(high)oftheadjacentshoppingmall.（答案：height）3.Theamountofwatersavedthismonthisfivetimes______oflastmonth.（答案：that）根據(jù)括號內(nèi)的漢語提示補(bǔ)全下面句子。1._________________________________(每三年),scoresofstudentsfromtheforeignlanguageschoolaresenttoBritaintolearnEnglish.2.Nearly________________(四分之三)oftheEarth’ssurfaceiscoveredwithwater.Everythirdyear/Everythreeyearsthreefourths知識鞏固3.Everydayinthecity_________________________(三百多萬人)goshoppingontheInternet.4.Early________________________(在二十世紀(jì)七十年代)noonehadanyideathatthewomanwouldbecomeamillionairebyplantingflowers.overthreemillionpeopleinthe1970s/1970’s5.Mygrandpalookedquitehealthythoughhewas____________________(七十多歲了).6.Accordingtotherules,ifyouare________________________(十八歲以下),youaren’tadmittedintotheclub.inhisseventiesundereighteenyearsold

二、選擇填空。

1．Marchis________monthoftheyear．

A．a(chǎn)threeB．thethirdC．a(chǎn)third

2．Wewillhaveameetingat8:05_______．

A．fivetoeightB．eightfiveC．eightofive

3．Eightpluseightis______________.

A．sixteenB．sixty-fourC．one

4．Heisan______________boy．

A．eightyearsB．eight-year-oldC．eight-years-old

5．Wewillhavea___________walk．

A．tenminutes