簡單英文題~ (pls help)

第一身單數﹐眾數﹐用 HAVE
I HAVE A CAR, WE HAVE A CAR

第二身單數﹐眾數用 HAVE
YOU HAVE A CAR.

第三身單數 用 HAS
HE HAS A CAR
SHE HAS A CAR
(THE CAT)IT HAS A FISH


HAS, HAVE過去式用 HAD
I HAD A CAR, BUT I ALREADY SOLD IT.我曾經有架車不過賣左
HE HAD A CAR, BUT HE ALREADY SOLD IT.佢曾經有架車不過賣左。


I [HAS] a wallet .??????( 我有一個錢包)??????? MY GOD !!!!

I [has] a wallet .( 我有一個錢包)

I [ have] the knowledge person.(我是有知識的人)

(have是過去式和過去分詞)