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1、第二部分,,語法專題剖析,專題五,,數(shù)詞,2023,年安徽中考英語總復習二輪專題課件,(近10年未考),考點透析,常見基數(shù)詞與序數(shù)詞對照表,one→first,two→second,three→third,four→fourth,five→fifth,six→sixth,seven→seventh,eight→eighth,nine→ninth,ten→tenth,eleven→eleventh,twelve→twelfth,thirteen→thirteenth,fourteen→fourteenth,fifteen→fifteenth,sixteen→sixteenth,seventeen
2、→seventeenth,eighteen→eighteenth,nineteen→nineteenth,twenty→twentieth,thirty→thirtieth,forty→fortieth,fifty→fiftieth,sixty→sixtieth,seventy→seventieth,eighty→eightieth,ninety→ninetieth,續(xù)表,基變序,有規(guī)律,末尾加上,-th,;,一二三,特殊記,詞尾分別,t,d,d,;,八去,t,,九去,e,,,ve,要用,f,替;,以,y,結(jié)尾變,-ie,,后跟,-th,莫忘記;,若想表示幾十幾,只變個位就可以。,考向1,,基
3、數(shù)詞,(1),表示數(shù)量:,表示人或事物的確切數(shù)量,用基數(shù)詞+可數(shù)名詞單數(shù)/復數(shù)。如:one,,apple一個蘋果;two,,pears兩個梨。,(2),表示時刻:,①表示“……點”用“基數(shù)詞+o,’,clock”,如:nine,,o,’,clock,,九點鐘;,②表示“……點過……分”時,若分鐘數(shù)小于或等于30分鐘,用“基數(shù)詞+past+基數(shù)詞”,如:twenty,,past,,three,,三點二十分;,③表示“差……分到……點”時,若分鐘數(shù)小于30分鐘,,,用“基數(shù)詞+to+基數(shù)詞”,,,如:twenty,,to,,three兩點四十分(三點差二十分)。,(3),表示日期:,①年份用基數(shù)詞
4、,如:in,,2023,,在2023年;,②日期用序數(shù)詞,如:on,,Sept.12th,,在9月12日。,(4),表示年代和年齡:,①“in,,the+整十的年份的復數(shù)(年份的數(shù)字后加-s)”表示“在幾世紀幾十年代”。如:in,,the,,1870s,,在19世紀70年代,②表示年齡的句式。如:,He,,is,,a,,boy,,of,,10,,years,,old.,,=He,,is,,a,,10-year-old,,boy.,,他是一個10歲的男孩子。,③“at,,the,,age,,of+基數(shù)詞”表示“在……歲時”。如:,At,,the,,age,,of,,ten,,,he,,was,,
5、good,,at,,playing,,the,,piano.,,他10歲時就擅長彈鋼琴了。,④“in+one,’,s+整十的基數(shù)詞復數(shù)”表示“在某人幾十多歲時”。如:,When,,he,,was,,in,,his,,fifties,,,the,,man,,became,,a,,famous,,writer.這位男士在他50多歲時成為一名著名作家。,考向2,,序數(shù)詞,(1),序數(shù)詞前加the,,,其后接名詞單數(shù)。,如:,Father,’,s,,Day,,is,,on,,the,,third,,Sunday,,of,,June,,and,,it,’,s,,popular,,in,,the,,USA
6、.,,父親節(jié)在六月的第三個星期天,該節(jié)日在美國很流行。,(2),序數(shù)詞前若有形容詞性物主代詞、名詞所有格等限定詞時,則不用加the。,如:,It,,is,,my,,third,,time,,to,,visit,,Beijing.,,這是我第三次參觀北京。,(3),序數(shù)詞前面也可以加不定冠詞a或an,,,表示“又一,再”,,,內(nèi)含順序性。,如:,We,’,ve,,tried,,it,,three,,times.,,Must,,we,,try,,it,,a,,fourth,,time?,,我們已經(jīng)試過三遍了。還需再試一次(第四次)嗎?,考向三,,概數(shù)詞,(1),表示確切的數(shù)字:,具體數(shù)字+概數(shù)詞+
7、可數(shù)名詞復數(shù)。hundred,,,thousand,,,million,,,billion等詞與具體的數(shù)字one,,,two…或several,,,some,,,many等詞連用時,要用單數(shù)形式。如:,five,,hundred,,people五百人,two,,thousand,,books兩千本書,many,,million,,trees幾百萬棵樹,(2),表示不確切的數(shù)字:,概數(shù)詞加-s+of+可數(shù)名詞復數(shù),且前面不再加具體數(shù)字。如:thousands,,of,,factories成千上萬家工廠,考向四,,分數(shù),,用英文單詞表示分數(shù)時,一般情況下,分子用基數(shù)詞,分母用序數(shù)詞,當分子大于一時
8、,分母須用序數(shù)詞的復數(shù)形式。,●1/2:,,one,,half,,,a,,half,,(不讀作one,,second),●1/3:,,one,,third或a,,third,●2/3:,,two,,thirds,●3/4:,,three,,quarters或three,,fourths,●2/5:,,two,,fifths,提升訓練,1.The,,girl,,living,,on,,the,,___,,floor,,often,,helps,,old,,people,,clean,,their,,rooms,,and,,hears,,them,,tell,,old,,stories.,A.fi
9、ve,,B.fifth,,C.fifths,,D.fifteen,2.There,,are,,___,,people,,planting,,trees,,in,,the,,park,,,because,,spring,,is,,the,,time,,to,,plant,,trees.,A.three,,hundreds,,B.three,,hundred,,of,C.hundred,,of,,D.hundreds,,of,√,√,3.Ben,,is,,a,,hard-working,,writer.,,He,,wrote,,his,,fifth,,novel,,when,,he,,was,___,,years,,old.,A.fifties,,B.fifty,,C.fiftieth,,D.the,,fiftieth,4.According,,to,,the,,survey,,,nearly,,___,,of,,the,,students,,in,,our,,class,,come,,to,,school,,without,,having,,healthy,,breakfast.,A.two,,fifth,,B.two,,fifths,,C.second,,fifth,,D.second,,fifths,√,√,