11~99的英语单词规律

11,12单个记忆 eleven,twelve
13--19 -teen thirteen fourteen fifteen sixteen seventeen eighteen nineteen
20--90整十 --ty twenty thirty forty fifty sixty seventy eighty ninety
21--99几十几 -ty-one-nine 几十几由几十+1--9 twenty-one thirty-two forty-three fifty-four sixty-five seventy-six eighty-seven ninety-eight
亲：每天都开心V_V!
thanks!