First, be sure you know the common state-of-being verbs:
is, are, was, were, be, being, been
is, are, was, were, be, being, been, should, would, could, will, has, have, had
Then find the verbs that show action or tell what someone or something is doing.
Your sentence has four verbs. What do you think they are?
helping verbs also known as auxilliary verb.. Will..Must...kill and done
wrie the past tense form of the verbs.