i don't know why did she do such a thing这句话的语法对吗,为什么你还没说为什么呢

i don't know why did she do such a thing这句话的语法对吗,为什么你还没说为什么呢
i don't know why did she do such a thing这句话的语法对吗,为什么
你还没说为什么呢

i don't know why did she do such a thing这句话的语法对吗,为什么你还没说为什么呢
不对.从句不应倒装.