Grammar Point verbs ending with ‘ing’ in the present.He is eating lunch. (now)

There are several context for verbs with ing. We are looking at the present.
When a verb uses ing in the present it means it is happening now.
Generally ing verbs mean the action is moving.

Structure: Verb stem + ing
To be (auxillary present) + ing verb.
To be = am are is

Examples:
I am talking to John.
I am not talking to John.
Am I talking to John?.