Verbs

What Are Verbs?

Verb Classification | Quiz
helping verbs: primary/modal
main verbs: transitive/intransitive, linking, dynamic/stative, regular/irregular

Verb Forms | Quiz
to sing, sing, sings, sang, sung, singing

Tenses
I sing, I am singing, I have sung, I have been singing, I sang, I was singing

English Tense System
What is Tense?
Tense & Time
Basic Tenses
Regular Verbs
Irregular Verbs
Be

Present tenses Simple, Continuous, Perfect Simple, Perfect Continuous
Past tenses Simple, Continuous, Perfect Simple, Perfect Continuous
Future tenses Simple, Continuous, Perfect Simple, Perfect Continuous