When the -ing form of a verb is used as the main verb of the predicate, the auxiliary must contain a form of <u>be</u>.
<h3>What is a verb?</h3>
It should be noted that a verb simply means a action word that's used to illustrate that something has occured.
In this case, when the -ing form of a verb is used as the main verb of the predicate, the auxiliary must contain a form of be.
Learn more about verb on:
brainly.com/question/1718605
#SPJ1
The best of all possible manners within the best if all possible worlds.