PAST PERFECT: had+ past participle ( vb-ed/ forma a3a)
Lucy had finished her homework since 6 o'clock.
Time expresions ex: already, just, since, for etc.
PAST SIMPLE: vb-ed/ forma a2a
She went to the doctor yesterday.
He opened the gift.
Time expresions ex: last week/year/day, ago, yesterday.
PAST CONTINUOUS: was/were +vb - ing
We were playing in the garden when it started to rain.
Time expresions ex: while, when, as etc
PRESENT PERFECT: have+ past participle
I have known him for 2 year.
Time expresions ex: For, since, just, recently
I read every day.
Time expresions ex: usually, often, always, everyday.....
PRESENT CONTINUOS: vb -ing
We are thinking about going in holiday.
Time expresions ex: now, at the moment, at present. ...
FUTURE: will+ vb infinitiv
I will go to school tomorrow.