It's a relative pronoun which introduces a relative clause.
Answer: How to attach photo:
There is a little button that looks like a paper clip push that. Either take a picture of the question or choose a file to upload. Hope this helps!
Explanation:
Answer:
The answer is: B. one main verb and one or more helping verbs.
A verb phrase represents a syntactic unit which includes at least one verb and its dependents. The necessary condition is that the verb phrase always contains one main verb. It may consist of a main verb plus modal/auxiliary verbs (one or more), but it can also contain a main verb only. In any case, the main verb always comes after the helping verbs.
