YOU SAID:
I would never start fishing for sharks or whales
INTO JAPANESE
私はサメやクジラのために釣りを始めません
BACK INTO ENGLISH
I do not start fishing for sharks and whales
INTO JAPANESE
私はサメやクジラの釣りを始めません
BACK INTO ENGLISH
I do not start fishing for sharks and whales
You've done this before, haven't you.