Verbal forms in active voice

Verbal forms
tense verbal group
Present Simple (Indefinite)
Past Continuous (Progressive)
Future Perfect
Perfect Continuous

Simple Group

Markers for Simple Group
usually, often, sometimes, every day/week/month/year (Present Simple)
yesterday, two days ago, last year (Past Simple)
tomorrow, next day/week/year (Future Simple)

Continuous Group

Markers for Continuous group

Perfect group

Markers for perfect group

Perfect Continuous group

Markers for Perfect Continuous group