C is your answer. It gives the most details and D is an opinion
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Boring, educational, stressful, work, tiring, Helpful, family
<h3>Answer</h3><h3><u><em /></u></h3><h3><em> </em><u><em>They are formed by combining one of the principal forms of a main verb with one or more auxiliary verbs. There are four principal forms: basic or root, present participle, past and past participle.</em></u></h3><h3><u><em /></u></h3><h3><em>hope this helps</em></h3>
I can’t see what it says sorry it just shows me blank