質問: what is the difference between わけない and わけないじゃない and わけないだろう ? what is the difference between わけない and わけないじゃない and わけないだろう ?
回答: ・そんなわけない that's not true at all ・そんなわけないじゃない that's not true at all, is that? (female speaking mostly) ・そんなわけないだろう that's not true at all, is that? (male speaking)