YOU SAID:
If I jump off the roof, will you put a trampoline under me?
INTO JAPANESE
屋根から飛び降りたら、トランポリンを私の下に置いてくれますか?
BACK INTO ENGLISH
Can you put a trampoline under me when I jump off the roof?
INTO JAPANESE
屋根から飛び降りるときに、トランポリンを私の下に置いてもらえますか?
BACK INTO ENGLISH
Can you put a trampoline under me when I jump off the roof?
Okay, I get it, you like Translation Party.