What are the SIGNAL WORDS that go with this tense? 

Since, for, just, all day/week etc 

Do we use the present perfect continuous for actions and situations continuing up to the present or just before the present? Do we use the present perfect continuous with action verbs or non action verbs? 

Do we use the present perfect simple instead of the present perfect continuous for non action/stative verbs?

What have you been doing all day today? 

What has your best friend been doing since the last time you saw him/her?

What have you been studying in English for the last two weeks?

Do we use the present perfect continuous for the future in time clauses?

You are thinking about your driving test. Will you take your driving test before you have been practising for at least two months? 

You are thinking about asking for a promotion. Will you ask for a promotion before you have been working in the company for a year?