Present and past particples are used as parts of certain verb constructions but they can be used in a number of different ways. Present participle (verb-ing) clauses can be used without a subject ...

Now that I have your attention, I’d like to talk about dangling participles. This most famous of danglers is must-know stuff for any self-respecting smarty-pants. Not because the concept will help ...

Stepping on camera, I will relax completely. (When I step - future time clause) Not knowing the baby slept, she phoned. (Because she didn't know the baby slept.) Knowing not to call because the baby ...