YOU SAID:
I can not believe you would drive your car off a cliff
INTO JAPANESE
車を崖から突き落とすなんて信じられない
BACK INTO ENGLISH
I can't believe you pushed your car off a cliff
INTO JAPANESE
あなたが車を崖から突き落としたなんて信じられない
BACK INTO ENGLISH
I can't believe you pushed your car off a cliff
Well done, yes, well done!