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Essay Transition Words: Compare and Contrast Transition Words
This reference page focuses on compare and contrast transition words including defining transitions and compare and contrast transitions, providing a list of transition words, and showing how to use transitions in writing essays.
University of Ottawa (Canada)
University of Ottawa: The Writing Center: Verbals
After a discussion and explanation of verbals in general, this site specifically discusses the gerund and the participle (with a link to the infinitive) and also provides examples of each.