A because you ave the subject and the verb
In
the sentence:
She
should have donated her time so she could help others.
The
helping verbs are should, have, could
<span>Verbs
are simply known as the ‘action’ words – may it be mental, physical or
mechanical. When verbs are paired with auxiliaries (helping verbs), they are
known as verb phrase. These helping verbs always go first before the actual
verb. </span>
The lineage of a word is called its etymology. It is <span>the study of the origin of words and the way in which their meanings have changed throughout history.</span>
