Other
Adverbs That Modify Adjectives
This tutorial shows how adverbs modify adjectives and other adverbs. It also has a 10-question printout quiz.
University of Ottawa (Canada)
Hyper Grammar: Modifiers
Explains when and how to use adverbs and adjectives properly. Also includes a short section on conjunctive adverbs and their rules of usage.
Towson University
Towson University: Self Teaching Unit: Avoiding Misplaced and Dangling Modifiers
This lesson focuses on misplaced modifiers including adjectives, adverbs, phrases, and clauses and dangling modifiers. It discusses each, provides examples, explains how to correct them, and offers links to exercises and a post-quiz.