我幫助過他一次

我 woˇ

I, Me, My, We, Use, Our, Ourselves

幫助 bangˉ zhuˋ

(Help, Helped, Helping, Helps, To help) To help, Help, Helps, Helping, Helped

幫助過 bangˉ zhuˋ guoˋ

(Helped) Helped

他 ta ˉ

He, She, He, She, They, Him, Her, Other, Others, It

一次 yiˊ ciˋ

(A, At a, First, Once, One, One at, Single) A, One, Once, First, Single, One at a time, At a time