English grammar challenge!

English grammar challenge!

Today I happened upon this great blog, Views from the Whiteboard, started by an English language (EFL, ESL, etc.) teacher living and teaching in the south of Spain. And just like her blog name proclaims, her posts are basically condensed classroom lessons. I offer you one of her grammar challenges! Can you tell me which sentence is false (incorrect)? Post your answer if you dare... [caption id="attachment_663" align="aligncenter" width="696" caption="Views from the Whiteboard grammar quiz"][/caption]