YOU SAID:

I walked into the moon and saw a car

INTO JAPANESE

私は月に歩いて、車を見ました

BACK INTO ENGLISH

I walked on the moon, I saw a car

INTO JAPANESE

私は、私は車を見て、月面を歩きました

BACK INTO ENGLISH

I, I look at the car, we walked on the moon

INTO JAPANESE

私は、私は車を見て、私たちは月に歩きました

BACK INTO ENGLISH

I, I look at the car, we walked on the moon