YOU SAID:

When I got home yesterday, my father had already cooked dinner.

INTO JAPANESE

私は昨日家に着いたとき、私の父は既に夕食を調理していました。

BACK INTO ENGLISH

When I arrived home yesterday, my father had already cooked the dinner.

INTO JAPANESE

私は昨日、家に着いたとき、私の父は既に夕食を調理していました。

BACK INTO ENGLISH

I yesterday, when I got home, my father had already cooked the dinner.

INTO JAPANESE

私が家に着いたとき、私は昨日、私の父は既に夕食を調理していました。

BACK INTO ENGLISH

When I arrived home, I yesterday, my father had already cooked the dinner.

INTO JAPANESE

私が家に着いたとき、私は昨日、私の父は既に夕食を調理していました。

BACK INTO ENGLISH

When I arrived home, I yesterday, my father had already cooked the dinner.