基数词变序数词规律:,有规律,词尾加上th(four—fourth,six—sixth),二,三,特殊记,词尾分别t,d,d。(one—first,two—second,three—third),九去e,f来把ve替。(eight—eighth,nine—ninth,five—fifth,twelve—twelfth)基数词变序数词规律:,ty变成tie。(twenty—twentieth,thirty—thirtieth),只变个位就可以。(twenty-one—twenty-firsttwenty-six—twenty-sixth)写出下列词的序数词形式。one________ ________ _________ -one_______________firstsecondsixthfifthninthtwelftheighthtwenty-first写出下列单词的基数词形式。 -eenthirty-one感谢亲观看此幻灯片,此课件部分内容来源于网络,如有侵权请及时联系我们删除,谢谢配合!
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