Question: unacceptable
Answer: That piece of ice is too big for it to be likely for him to be able to pick up with a teaspoon.
Question: acceptable
Answer: The muffins might have been being eaten.
Question: unacceptable
Answer: Willy is taller than Bill by as much as I watch all the games and I know Billy is taller than Dan.
Question: acceptable
Answer:
He will indeed endorse the treaty.