Grammarly
Grammarly Handbook: Sentence Style
A list of three techniques used to develop sentence style: Sentence Variety, Sentence Emphasis, and Wordiness. Each technique links to more information.
Other
Instruct Uwo: Module 6 Sentence Structure and Style
This site discusses several characteristics of writing: coordination, subordination, parallelism, and sentence variety. Each section includes a brief discussion with examples. There are also quizzes and additional links for each section.
Grammarly
Grammarly Blog: Grammar Rules
This is a grammar handbook with links to grammar rules for the parts of speech, punctuation marks, mechanics, sentence style and clarity, composition, academic writing, organization and development, revising and editing, and research and...