Which type of punctuation should not typically be used in any kind of formal or professional writing?

This is always in the form of "to" + a verb-like word. this verbal unit in a sentence actually acts as a noun, adjective, or adverb, rather than a verb. example: ("to carry," "to think," "to laugh")

Which three events took place when lincoln lived at knob creek farm?

Which textbook section would you use to identify the books and articles the author used or referred to in writing the book? introduction bibliography index table of contents