UNIT 26 : BE + V-ing

UNIT 26 : BE + V-ing = Present continuous.

                             = for future time if + future time  expression?

ex) I'm studying grammar now = PC

ex) I'm studying grammar tomorrow morning = I'm going to study.

I'm going to SM Today.  -  plan.

I will go to SM Today = sudden decision.

I go to SM  (o).

I go to SM everyday(o).

I went to SM today(o)