The present progressive tense takes the form be + V ing.
The form of “be” is determined by the subject of the sentence.
In English, the present progressive is used to indicate actions happening at the time of speaking, or right now.
The present progressive can also be used to indicate actions occurring over a period of time which includes the present.
The present progressive is sometimes used to indicate ongoing, developing, imminent or future actions.
Don’t bother Mr. Grumpy while he is watching the football game.
I’m beginning to like this place!
A: Honey, where are you?
B: I’m coming. Just let me put on my shoes.
Future (Note the presence of future time words.)
A: Are you going to the concert this weekend?
B: I wish I could, but I’m meeting an important client from Oklahoma.
Some non-action verbs do not occur in the present progressive tense. The simple present is sufficient.