英语倍数的表达方法.ppt

英语倍数的表达方法郭之政用times表示倍数（一般限于包括基数在内三倍或三倍以上的数。表示两倍的数用twice）“A+be+倍数+as+形容词或副词原级+as+BThistreeisthreetimesastallasthatone.这棵树是那棵树的三倍高。Hisfatheristwiceasoldashe.他父亲的年纪有他两倍大。010302AsiaisfourtimesaslargeasEurope.亚洲的面积是欧洲的四倍。1Theplaneflewtentimesashighasthekite.那架飞机的飞行高度是那只风筝的十倍。3这块大石头的重量是那块的三倍。Thisbigstoneisthreetimesasheavyasthatone.201“A+be+倍数+形容词或副词的比较级+than+B”02TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.03长江差不多比珠江长两倍。04Thedictionaryisexactlyfivetimesmoreexpensivethanthatone.05这本字典比那本恰好贵5倍。这根绳的长度是那根绳的三倍。这个大厅比我们的教室大五倍。这辆小车的速度比那辆卡车快两倍。Thisropeistwicelongerthanthatone．Thisropeisthreetimesaslongasthatone.Thishallisfivetimesbiggerthanourclassroom．Thishallissixtimesasbigasourclassroom．Thecarrunstwicefasterthanthattruck．Thecarrunsthreetimesasfastasthattruck．（比那根绳长二倍）（是那辆卡车的三倍）（是我们教室的六倍）“A+be+倍数+the+计量名词+of+B”Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.新扩建的广场是未扩建时的四倍大。计量名词：size大,length长,width宽,height高,depth深，weight重…倍数+thesizeof………倍数+theheightof………倍数+thewidthof………倍数+thelengthof………倍数+theweightof………倍数+thedepthof……01Thisstreetisfourtimesthelengthofthatone.这条街是那条街的四倍长。02Thishillisfourtimestheheightofthatsmallone.这座山的高度是那座小山的四倍。“The+计量名词+of+A+be+倍数+that+of+B”Thesizeofthenewlybroadenedsquareisfourtimesthatofthepreviousone.新扩建的广场为以前的四倍大。1Heearnsfivetimesmoremoneythanhedidtenyearsago.2他现在挣的钱比他十年前挣的多五倍。3Therearetwicemorestudentsinourclassthanintheirs.4我们班的学生人数比他们班多两倍。5.“…times+more+名词+than…”Therearefourtimesmorebooksinourlibrarythaninyours．我们图书馆藏书（数量）比你们图书馆藏书多四倍。（我们图书馆的藏书是你们的五倍）Wehaveproducedtwicemoregrainthisyearthanwedidlastyear．我们今年生产的粮食比去年增长了两倍。（是去年的三倍）6.“A+be+倍数+asmany（或much）+名词+其他+as