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.
Grammarly
Grammarly Blog: Intransitive Phrasal Verbs
An explanation and examples of intransitive phrasal verbs and how they are used within a sentence.
Grammar Tips
Grammar Tips: The Proper Use of "Lay" and "Lie"
Check this brief explanation of how to tell the difference between lay, a transitive verb, and lie an intransitive verb, and use them properly in English grammar.