Learn some of the basic keyboard shortcuts for Premiere Pro in this Pond5 blog post by Ben Remetz. The great thing about this post is its broken up into sections like playback shortcuts, timeline shortcuts, tool shortcuts, etc.
Keyboard shortcuts are a great way to become a faster and more efficient video editor. Mastering them will help you save a ton of time when performing frequent and repetitive tasks, so let’s look at some of the basics to help you get started. —Ben Remetz, Pond5 Blog