Present Simple V / V(e)s. Do /Does -? x

Usually, always, every, sometimes

,often, rarely, seldom

Present Continuous Am / is /are + ing

Now, at the moment, at present, today, tonight, Look! Listen!

Past Simple 

                                                                  V ed / V(2)

                                                               Did - ? x  

Yesterday, last…, then, when,in

1980, …ago

Present Perfect Continuous

Have/ Has been Ving

(How long) Have/Has…been Ving?

For, since , how long

Present Perfect

Have/Has Ved(3)

Have /Has   -? X

just , already, ever, never, recently, lately, yet,

since, for, this, so far, today