FIND THE MISTAKE: Patrick can’t have written this essay. His writing skills are much worse.
Patrick COULDN'T have written this essay.
FIND THE MISTAKE: Lucy isn’t at home. She might go shopping.
She might HAVE GONE shopping.
FIND THE MISTAKE: We aren’t sure yet but your flight must have been cancelled yesterday.
We aren’t sure yet but your flight MIGHT have been cancelled yesterday.
FIND THE MISTAKE: Hey! All the chocolate is gone. Douglas might have ate it.
Douglas might have EATEN it.
