英语倍数的表达方法.ppt

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1、英语倍数的表达方法郭之政一、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）1.“A+be+倍数+as+形容词或副词原级+as+B"Thistreeisthreetimesastallasthatone.这棵树是那棵树的三倍高。Hisfatheristwiceasoldashe.他父亲的年纪有他两倍大。1.亚洲的面积是欧洲的四倍。AsiaisfourtimesaslargeasEurope.2.这块大石头的重量是那块的三倍。Thisbigstoneisth

2、reetimesasheavyasthatone.3.那架飞机的飞行高度是那只风筝的十倍。Theplaneflewtentimesashighasthekite.2.“A+be+倍数+形容词或副词的比较级+than+B”TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.长江差不多比珠江长两倍。Thedictionaryisexactlyfivetimesmoreexpensivethanthatone.这本字典比那本恰好贵5倍。这根绳的长度是

3、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．Thecarrunsthreetimesasfastast

4、hattruck．（比那根绳长二倍）（是那辆卡车的三倍）（是我们教室的六倍）3.“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+thelengthof………倍数+theheightof………倍数+theweightof…

5、……倍数+thewidthof………倍数+thedepthof……1.这条街是那条街的四倍长。Thisstreetisfourtimesthelengthofthatone.2.这座山的高度是那座小山的四倍。Thishillisfourtimestheheightofthatsmallone.4.“The+计量名词+of+A+be+倍数+that+of+B”Thesizeofthenewlybroadenedsquareisfourtimesthatofthepreviousone.新扩建的广场

6、为以前的四倍大。Heearnsfivetimesmoremoneythanhedidtenyearsago.他现在挣的钱比他十年前挣的多五倍。Therearetwicemorestudentsinourclassthanintheirs.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）We

7、haveproducedtwicemoregrainthisyearthanwedidlastyear．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…”Afterthetechniquewasintroduced，thefactoryproducedtwiceasmanytractorsin1988astheyearbefore．采用新的技术以后，那个工厂1988年生产的拖拉机是前一年（1987年）的两倍。（比前一年增长一

8、倍）Thereisthreetimesasmuchwaterinthispotasinthatone．这个壶里的水（量）是那个壶里的三倍。We'veproducedtwiceasmuchcottonthisyearas（wedid）tenyearsago.今年我们生产的棉花比十年前多了一倍。Hehasgotthreetimesasmanybooksashissister.他拥有的书的数量是他妹妹的3倍。7.“…times+what从句”Thelengthoftheroadisfourtimesw