YOU SAID:

when your ship sinks you can't get off the boat

INTO JAPANESE

あなたの船が沈んだときにボートから降りることはできません

BACK INTO ENGLISH

You can not get off the boat when your ship sank

INTO JAPANESE

あなたの船が沈んだときに船から降りることはできません

BACK INTO ENGLISH

You can not get off the ship when your ship sank

INTO JAPANESE

あなたの船が沈んだときに船から降りることはできません

BACK INTO ENGLISH

You can not get off the ship when your ship sank