Final answer:
The main verb in a sentence shows the action or state of being, while helping verbs work with the main verb to show when the action or state of being occurs.
Step-by-step explanation:
The main verb in a sentence shows the action or state of being, while helping verbs work with the main verb to show when the action or state of being occurs. In the given sentences:
- Wilma had weighed only four pounds at birth. (main verb: weighed, helping verb: had)
- Others have expected little from her. (main verb: expected, helping verb: have)
- She is becoming a great athlete. (main verb: becoming, helping verb: is)
And so on. Each sentence has a main verb and one or more helping verbs that indicate tense or other aspects of the action or state of being.
Learn more about Main and Helping Verbs