Find three other examples of present participles in lines 12–23 of "Chicago,"
and list them by line number. Then, form three present participles of your
own from verbs of your choice.

Three words employing present participle in the poem "Chicago" are:

Lapping

Shoveling,

Wrecking

Explanation:

The three words above use a nun as a verb by adding a phrase of words to end it. The present participle represents a continuation of action in the phrase that it is used.

in the poem, there are many examples as it tries to keep the action to be in the present tense.

By using the same principles one can easily come up with three new words using the present participle

These would be

Breaking

Aching

Shaking

vector v such that t( p) = p+ v

what gradee ya in so we can do it im 8th grade

                                                        -hannahsgachagal

                                                          (p.s thats my real you tube lol)