初中英語語法-數(shù)詞課件

初中英語語法稻田一中李培軍初中英語語法—數(shù)詞初中英語語法稻田一中李培軍數(shù)詞數(shù)詞就是表示事物的數(shù)量和順序的詞,分基數(shù)詞和序數(shù)詞兩種。、基激詞:表示數(shù)目的詞稱為基教詞1、基數(shù)詞的形式:A.從1one,two,three,four,five,six,seven,eight,nine,tenB.從11—19eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen.注意:這里除eleven,twelve,thirteen,fifteen,eightee為特殊形式外,fourteen,sixteen,seventeen,nineteen都是由其個(gè)位數(shù)形式后添加后綴teen構(gòu)成。c.從2整數(shù)幾十中除twenty,thirty,forty,fifty,eighty為特殊形式外,sity,seventy,ninety都是其個(gè)位數(shù)形式后添加后綴y構(gòu)成。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42”。例如:21twenty-one76seventy-SIX注意:forty的拼寫D.百位數(shù)基數(shù)詞101~999,先說“幾百”,再加“and,再加末兩位數(shù)。101ahundredandone320threehundredandtwenty648sixhundredandforty-eight注意:在幾十和個(gè)位基數(shù)詞形式之間添加連字符“”數(shù)詞數(shù)詞就是表示事物的數(shù)量和順序的詞,分基數(shù)詞和序數(shù)詞兩種。、基激詞:表示數(shù)目的詞稱為基教詞1、基數(shù)詞的形式:A.從1one,two,three,four,five,six,seven,eight,nine,tenB.從11—19eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen.注意:這里除eleven,twelve,thirteen,fifteen,eightee為特殊形式外,fourteen,sixteen,seventeen,nineteen都是由其個(gè)位數(shù)形式后添加后綴teen構(gòu)成。c.從2整數(shù)幾十中除twenty,thirty,forty,fifty,eighty為特殊形式外,sity,seventy,ninety都是其個(gè)位數(shù)形式后添加后綴y構(gòu)成。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42”。例如:21twenty-one76seventy-SIX注意:forty的拼寫D.百位數(shù)基數(shù)詞101~999,先說“幾百”,再加“and,再加末兩位數(shù)。101ahundredandone320threehundredandtwenty648sixhundredandforty-eight注意:在幾十和個(gè)位基數(shù)詞形式之間添加連字符“”千位數(shù)以上:1000以上數(shù)目,從右向左每三位用“,”分開分別讀為housand,million.billionan例如:5,237,166,234dhundredbillionthousandmillion讀作:fivebillion,twohundredandthirty-sevenmillion,onehundredandsixty-sixthousand,twohundredandthirty-four2,648twothousand,sixhundredandforty-eight16,250,06sixteenmillion,twohundredandfiftythousand,sixty-four2.基毅詞用法:)、表示具體數(shù)目undred,housand,mim不用復(fù)數(shù)。表示不確定數(shù)目用復(fù)數(shù)。即hundredsof數(shù)百,thousandsof(數(shù)千)millionsof數(shù)百萬名詞復(fù)數(shù)可以用manv/severa修飾,但不能與具體數(shù)目連用。1)Ourcountryhasapopulationof1300millionpeople.2)Therearethreethousandstudentsinourschool3)Afterthewar,thousandsofpeoplebecamehomeless4)Several/Manythousandsoftreesmustbeplantedeveryyear.NE.E:severalthousandsoftrees-severalthousandtrees即學(xué)即用Manytreesmustbeplantedeveryyear.A.thousandsofB,millionofC.hundredofD.hundredsfourthousandofthestudents(學(xué)生中的四人fourthousandstudents(四千學(xué)生)(2、“幾十〃的復(fù)數(shù)形式可以表示:幾十多歲-m+one3s+整土的數(shù)詞復(fù)數(shù)年代-“1m+the+整十的數(shù)詞復(fù)數(shù)twenties,thirtiesforties,fifties,Myparentsareintheirfortiessixties,seventies,Itwasinthe1960s/inthe1960'seighties,ninetiesInthenineties,mostpeoplegotoworkbybike.()、基數(shù)詞表示編碼:R0m207207房Class2,Grade9九年級二班注意:用此種方法PageFive=thefiithpage第五頁表示,首字母需essonone=thefirstlesson第一課大寫,不加冠詞BusN0.3=theNo.3bus3號汽車No.1Middleschool第一中學(xué)即學(xué)即用fifty),hestartedtolearnEnglish.2.ThecitychangedalotA.in1980sB,inthe1980sC.inthe1980Hegraduatedinofcentury.A.thesixtieth:twentyB,sixty;thetwentiethC.thesixties:thetwentiethHegottheprize.A,inhisfiftiesB,infiftiesC.inhisfifty5.Thewinneris.HeisanboyA,eight-year-old;eightyearsoldB,eightyearsold;eight-year-oldCeight-yearsold;eight-year-old6.HecametoChinaA.attheageof20B.whenheis20c.atageof20(4)、“基數(shù)詞+名詞”的合成形容詞作定語Kateisaneighteen-year-oldgirl凱特是個(gè)18歲的女孩eighteen的讀音以元音開頭,故其前要用不定冠詞an注意:這種合成形容詞的結(jié)構(gòu)為:“數(shù)詞+單數(shù)名詞十形容詞”復(fù)合形容詞中,詞與詞之間要加連字符“aseven-dayholiday=asevendaysholidayhaveatwo-weekholiday=haveatwoweeksholiday有兩周的休假askforathree-dayleave=askforathreedays'leave請三天假即學(xué)即用:1)Howfarisyouruncleshomefromhere?It'sabouttwodrive,A.hoursB.hoursC.hoursD,hour2)Don'ttalktoSimonlikethat.HeisonlyanAeleven-year-oldBeleven-years-oldC.eleven-yearoldD,elevenyearsold⑤5)、表計(jì)量:“基數(shù)詞度量單位+形容詞Theclassroomis7meterslong,6meterswideand3metershigh.(6)、表示時(shí)刻(注意:表示在幾點(diǎn)鐘用介詞a)1)順讀法一5先時(shí)后分,“幾點(diǎn)幾分9:30ninethirty6:21sixtwenty-one2)逆讀法一先分后時(shí)表示“幾點(diǎn)過幾分”,半小時(shí)以內(nèi),介詞用pa,分鐘數(shù)鐘點(diǎn)數(shù)。10:10tenpastten8:20twentypasteight表示“幾點(diǎn)差幾分”,半小時(shí)以上,介詞用,60減原分鐘+to+(下一個(gè))鐘點(diǎn)數(shù)。9:50tentoten7:40twentytoeight3)15分鐘:aquarter30分鐘:ahar9:15aquarterpastnineIt'salready7:40now.Whenwillthefilmstart?Westillhavefiveminutes.AquartertosevenB.Severpastforty-fiveCAquartertoeight我看我行時(shí)間類型表示法例讀法整點(diǎn)基數(shù)詞(+oock)1:00