I am not sure when to omit TO, for example,
You can watch TV whenever you want to or
You can watch TV whenever you want
which one is right?
another example,
Regarldess of whether or not you want, you should attend family occasons or
Regardless of wheter or not you want it, you should attend family occasions
Regardles of wheter or not you want to, you should attend family occasions
which one is right? or why?