Possible Duplicate:
Should a toggle button show its current state or the state to which it will change?
When a checkbox enables a feature, is it more correct to use Enable [] or Enabled []?
Basically should the tense be present to indicate the what the check action does - checking it enables it - or should it be past to indicate the state of the feature - if it is checked then the feature is enabled?
I would be inclined to use future tense. If a UI element will change an option, it's not in the past, it's in the future, and it also makes sense from a grammatical perspective.
[x] Enable giant lasers
[x] Enable warp drive
Similar to:
[x] Show galaxies
[x] Show constellations
Since a check mark should be used in a form that needs to be submitted, I always thought of that control as specifying the state that will be set when the form is submitted. I know there's no guarantee that it's actually being used that way, but I think it still makes sense. So, use "Enabled" with a check box, and "Enable" on an actual toggle button.
