基数词和序数词专项练习题.doc

基数词和序数词专项练习题一、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;10th--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--ieth;100th--hundredth二、巩固练习:①写出下列词的序数词形式。                                                -one      ②写出下列单词的基数词形式。                           -first   _③根据句子意思填空。’sDay(儿童节)isonthe        ofJune(六月).          months(月)inayear(年).’sDay(教师节)isonthe          ofSeptember(九月).(加)sixis        .④选择填空。(  )’sbirthdayinonthe        ofO