Question

Change the narration: 
"You can't bathe in this sea," he said to me, "it's very rough."

Accepted Answer

He said that I couldn't bathe in that sea as it was very rough.

Answer

He said that I can't bathe in this sea because it's very rough.

Answer

He said that you couldn't bathe in the sea if it was very rough.

Answer

He said that you can't bathe in this sea since it was very rough.

Q. Change the narration:
"You can't bathe in this sea," he said to me, "it's very rough."

Discusssion