In this course, we learn't:

1. All about action verbs.
2. Types of actions verbs.
3. Transitive verbs are those that require a direct object.
4. Intransitive verbs are those which don't require any object.
5. Incomplete verbs are a type of intransitive verb which require a verb complement to make complete sense.

After exploring the world of action verbs, in the next course we will learn about auxiliary verbs.