1到100的序数词和基数词及变换规律.doc

一、y第100onehundredth100th100hundred第101onehundredfirst101st101onehundredandone(one)hundredandfirst第一百零一hundredandthirty-fourth第一百三十四two-hundredth第二百three-hundredth第三百four-hundredth第四百five-hundredth第五百six-hundredth第六百seven-hundredth第七百eight-hundredth第八百nine-hundredth第九百(one)thousandth第一千thousandandfirst第一千零一twothousandandthirty-fourth第二千零三十四tenthousandth第一万(one)millionth第一百万billionth第十亿十位以内:one→first,two→sencond,three→third要单记,four,six,seven,ten,后加th,five→fifth变ve为f再加th,eight→eighth共用t,nine→ninth去e加th11-19,基本加th,twelve→twelfth20,30,40...整数变y为i加eth,如:twenty→twentieth带个位的数以个位为序数词,如:twenty-onetwenty-first二、英语单词所有不规则单词复数(一)单复同形的单词people人们deer鹿sheep山羊means方法works工厂Swiss瑞士人Chinese中国人glasses眼镜pants裤子trousers裤子(二)名词复数的规则变化1):map-mapsbag-bagscar-cars2)以s,sh,ch,:bus-buseswatch-watches3)以ce,se,ze,(d)ge等结尾(或说以e结尾)的词加seg:license-licenses4)以辅音字母+y结尾的词变y为i再加eseg:baby---babies(三)名词复数的不规则变化1)child---childrenfoot---feettooth---teethmouse---miceman---menwoman---women注意:与man和woman构成的合成词,其复数形式也是-men和-women。2)单复同形eg:deer,sheep,fish,Chinese,Japaneseli,jin,yuan,twoli,threemu,fourjin但除人民币元、角、分外,美元、英镑、法郎等都有复数形式。如:adollar,twodollars;ameter,twometers3)集体名词,以单数形式出现,但实为复数。eg:peoplepolicecattle等本身就是复数,不能说apeople,apolice,acattle,但可以说aperson,apoliceman,aheadofcattle,theEnglish,theBritish,theFrench,theChinese,theJapanese,theSwiss等名词,表示国民总称时,作复数用。eg:。4