Final answer:
The main themes of W.W. Jacob's short story 'The Monkey's Paw' are the dangers of wishing without considering consequences, the unpredictability of fate, and the theme of greed.
Step-by-step explanation:
The main themes of W.W. Jacob's short story "The Monkey's Paw" are the dangers of wishing for something without considering the consequences, the unpredictability of fate, and the theme of greed. The story follows a family who acquires a monkey's paw that grants them three wishes, but each wish comes at a great cost. Through this story, Jacobs explores the idea that we should be careful what we wish for and that our actions can have unintended consequences.