Q: Valid English sentence (grammatically) or not: A statue of Jefferson stood on the comer of the two boulevards.

A: acceptable

Q: Valid English sentence (grammatically) or not: The hardest that I think I remember him ever telling me that he had heard of it snowing around here was last January 12th.

A: acceptable

Q: Valid English sentence (grammatically) or not: Willy is taller than Bill by as much as it is believed that Joe is taller than Dan.

A:
acceptable