YOU SAID:

If I drive my car for 9 hours, is that a long drive?

INTO JAPANESE

9時間車を運転するとしたら、それは長い車ですか。

BACK INTO ENGLISH

If you drive a car for 9 hours, is it a long car?

INTO JAPANESE

あなたが9時間車を運転する場合、それは長い車ですか？

BACK INTO ENGLISH

If you drive a car for 9 hours, is it a long car?