University College London
University College London: Adverbs
This grammar site sponsored by University College London features an entire lesson on adverbs and an exercise to test your knowledge.
Cengage Learning
Cengage Learning: Adjectives and Adverbs Comparative and Superlative Forms
This is an English style guide article focusing on comparative and superlative forms of adjectives and adverbs. It explains how to form these adjectives and adverbs, how to use them, and provides examples.
Other
Englishlinx: Comparative and Superlative Adverbs Worksheets
Choose from six worksheets that focus on forming and using comparative and superlative adverbs. The worksheets are in PDF and are available for free downloading.
Other
English Grammar Online: Form and Comparison of Adverbs
Charts show how adverbs are formed from adjectives, and how to form the comparative and superlative forms for both regular and irregular adverbs. Exercises are available to practice your skills.
Sophia Learning
Sophia: Adjectives and Adverbs
This video lesson focuses on adjectives and adverbs; it explains the difference between them. It also discusses when to use adverbs and adjectives and provides examples of each.
Other
Ef Education First: English Grammar: Comparative and Superlative Adverbs
Learn how to form comparative and superlative adverbs in their varied forms, and see examples of each type.
University of Calgary
University of Calgary: Parts of Speech: Adverbs
This site has good information on what adverbs are, what they do, and how they are used. Very helpful links to other information as well.
University of Calgary
University of Calgary: Parts of Speech: Adverbials
This site, sponsored by the University of Calgary, has good information on what adverbials and conjunctive adverbs are, what they do, and how they are used. Examples and a list of conjuctive adverbs are also given.
University of Calgary
University of Calgary: Parts of Speech: Distinguishing Adjectives and Adverbs
This site helps you distinguish between adjectives and adverbs.
Other
English Exercises: Conjunctive Adverbs
This learning module provides a partial list of common conjunctive adverbs, the sentence pattern with an example, and a five-question practice exercise.
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.
Other
K12 Reader: Conjunctive Adverbs
This reference page focuses on conjunctive adverbs including definition, examples, a list of common conjunctive adverbs, and sentence examples.
University of Calgary
University of Calgary: Comparatives Superlatives
This site, sponsored by the University of Calgary, has a lot of good information on comparative and superlative adverbs and adjectives. Examples are given and a quiz is provided at the bottom of the page.