The answer is: <span>
c. should, have, could
In English Literature, Helping verbs refer to the verbs that help other verbs to extend its meaning in the sentence, explain the mood in the sentence or add additional details on time. Helping Verbs usually only used in Complicated Tenses
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Using force or trying to persuade someone through sarcasm or irony could be viewed as one of the worst ways to persuade someone into believing something you want to prove.
<span>bringing attention to the unchecked use of pesticides, pesticides’ harmful effects on the environment, and writing laws to protect the environment
b.</span>
Overall, this sentence seems correct to me.
Politics. Plz give good rating
