Advanced

Grammar: Check out the resources for this level.

Advanced - Explanations, Examples, Exercises
Preposition Collocations with "Be"

Advanced - Textbook Recommendations
The ELT Grammar Book Focus on Grammar-Advanced The Grammar Book Practical English Usage

Advanced - Quick Links
A Handbook for Technical Writers and Editors Verb and Preposition Combinations (from Tom McKlin) Writer's Handbook

Advanced - Quizzes from The Internet TESL Journal
Prepositions (Edmilson S?)