YOU SAID:

i am in me mother's car

INTO JAPANESE

私は私の母の車にいます

BACK INTO ENGLISH

I'm in my mother's car

INTO JAPANESE

私は母の車に乗っています

BACK INTO ENGLISH

I'm in my mother's car.

INTO JAPANESE

私は母の車に乗っています。

BACK INTO ENGLISH

I'm in my mother's car.