YOU SAID:

I’m going back home now I have my car to go get my car so I’m not

INTO JAPANESE

今から家に帰ります、車を取りに行くので、行きません。

BACK INTO ENGLISH

I'm going home now, I'm going to go get my car, so I won't go.

INTO JAPANESE

今から家に帰ります、車を取りに行くので行きません。

BACK INTO ENGLISH

I'm going home now, but I won't go because I have to go get my car.

INTO JAPANESE

今から家に帰りますが、車を取りに行かなければならないので行きません。

BACK INTO ENGLISH

I'm going home now, but I can't because I have to go get my car.

INTO JAPANESE

今から家に帰りますが、車を取りに行かなければならないので行けません。

BACK INTO ENGLISH

I'm going home now, but I can't because I have to go get my car.