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时间:2019-05-24
《基数词变序数词MicrosoftWord文档》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、一、知识归纳①基数词变序数词的规律:口诀:基变序,有规律。一、二、三、特殊记,词尾字母t,d,d.(如:first,second,third)。八减t,九去e,(如:eighth,ninth),f来把ve替。(如:twelfth).单词ty作结尾,ty变成tie(如:twentieth).若是碰到几十几,只变个位就可以。(如:twenty-first)②1-100的序数词:1st--first;2nd--second;3rd--third;4th--fourth;5th--fifth;6th--sixth;7th--seventh;8th--eighth;9th--ninth;10t
2、h--tenth;11th--eleventh;12th--twelfth;20th--twentieth;21st--twenty-first;22nd--twenty-second;29th--twenty-ninth;30th--thirtieth;31st--thirty-first;40th--fortieth;50th--fiftieth;60th--sixtieth;70th--seventieth;80th--eightieth;90th--ninetieth;100th--hundredth二、巩固练习:①写出下列词的序数词形式。1.one2.two3.six 4.
3、five 5.nine 6.twelve37.eight8.twenty-one②写出下列单词的基数词形式。1.third 2.fourth 3.tenth 4.twentieth5.nineteenth 6.thirty-first③根据句子意思填空。1.Children’sDayisontheofJune.2.Thereare monthsinayear.3.Teacher’sDayisontheofSeptember.4.Threeandsixis.5.Thereareseasonsinayear.④选择填空。( )1.Mycousin’sbirthdayinontheof
4、October. A.three B.first C.thesecond( )2.Whatdateisittoday?It’s ofApril. A. twelfth B.the12th C.12th( )3.Thereare daysinaweek. A.theseven B.seventh C.theseventh D.seven( )4.Sundayisthedayofaweek. A.one B.first C.second3( )5.Twenty-eightminus(减)sixis.
5、 A.thetwenty-second B.twenty-two C.twenty-second( )6.Fourplus(加)istwelve. A.seven B.eight C.nine3
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