序数词口诀
基数词变序数词口诀
一、二、三,单独记;
one →first (1st) 第一 two →second (2nd) 第二 three →third (3rd) 第三 八去t ,九除e , ve 要用f 替, eight →eighth , (8th ) nine →ninth , (9th )
(五、十二把ve 换成f 再加-th ) five →fifth , (5th ) twelve →twelfth (12th ) 整十先把老y 变ie ;
twenty →twentieth ,(20th ) thirty →thirtieth (30th ) forty →fortieth (40th )
……(整十先把词尾ty 改为tie 再加-th )要是遇到两位数,十位基数个位序(数), th 最后加上去。
十位数 个位数 21 = 20 + 1
Twenty - one
十位不变,还是基数词 个位用序数词
first
基数词变序数词口诀
一、二、三,单独记;
one →first (1st) 第一 two →second (2nd) 第二 three →third (3rd) 第三 八去t ,九除e , ve 要用f 替, eight →eighth , (8th ) nine →ninth , (9th )
(五、十二把ve 换成f 再加-th ) five →fifth , (5th ) twelve →twelfth (12th ) 整十先把老y 变ie ;
twenty →twentieth ,(20th ) thirty →thirtieth (30th ) forty →fortieth (40th )
……(整十先把词尾ty 改为tie 再加-th )要是遇到两位数,十位基数个位序(数), th 最后加上去。
十位数 个位数 21 = 20 + 1
Twenty - one
十位不变,还是基数词 个位用序数词
first
基数词变序数词口诀
一、二、三,单独记;
one →first (1st) 第一 two →second (2nd) 第二 three →third (3rd) 第三 八去t ,九除e , ve 要用f 替, eight →eighth , (8th ) nine →ninth , (9th )
(五、十二把ve 换成f 再加-th ) five →fifth , (5th ) twelve →twelfth (12th ) 整十先把老y 变ie ;
twenty →twentieth ,(20th ) thirty →thirtieth (30th ) forty →fortieth (40th )
……(整十先把词尾ty 改为tie 再加-th )要是遇到两位数,十位基数个位序(数), th 最后加上去。
十位数 个位数 21 = 20 + 1
Twenty - one
十位不变,还是基数词 个位用序数词
- first
基数词变序数词口诀
一、二、三,单独记;
one →first (1st) 第一 two →second (2nd) 第二 three →third (3rd) 第三 八去t ,九除e , ve 要用f 替, eight →eighth , (8th ) nine →ninth , (9th )
(五、十二把ve 换成f 再加-th ) five →fifth , (5th ) twelve →twelfth (12th ) 整十先把老y 变ie ;
twenty →twentieth ,(20th ) thirty →thirtieth (30th ) forty →fortieth (40th )
……(整十先把词尾ty 改为tie 再加-th )要是遇到两位数,十位基数个位序(数), th 最后加上去。
十位数 个位数 21 = 20 + 1
Twenty - one
十位不变,还是基数词 个位用序数词
- first