Grammatical Tenses

An action that is happening now.

Verb in Base Form

He drinks tea at brakefast.

An action going on at the time.

Verb in Geround

We are staying at home.

An action that has been completed.

Verb in Past

Have/has

I Have talked to the doctor.

An action that started at the past and still going on.

has/have been

Verb in Geround

It has been snowing.

An action that has going on at some point in the past

Base form verbs in past

I walked to work yesterday.

An action that was going on at the past

Were/Was

My head was aching.

An action acomplished in the past

Had

I had never seen such a beautiful beach.

An action finished at some definite time but it had
been going on before it finished

Had been

They had been finishing the project.

Will/Won´t

An action that still has to take place.

Base Form verb.

I will call you when I arrive.

An action that show something will continue until a event in the future.

Will, Have and Been .

Verb Geround.

She will be writing a song.

An action in progress at a particular time in the future

Will and be.

Verb Geround.

This time next week, i will be working.

An action that'll be finished at some point in
the future.

Will ,Have

Verb in Past Participle.

Louis Will have eaten a pizza.