The biggest crisis has been in is having a faulty zipper on the day of my aunt's wedding and I was like her main flower girl which meant I would have to stand up next to her, in front of the whole church with a faulty zipper that kept falling down. I actually wasn't calm because I was freaking out and going to my mom and asking her to fix it every minute. I would have probably stopped pulling the zipper harshly next time so that I don't have to be embarrassed
Predicate sentence: Once his costume was off, Bobby walked home.
The predicate is: walked.
The prepositional phrase in this sentence is c. "to your sentence structure", because it is postmodifying an infinitive phrase (to bring complexity), which has the same value, in this case, as a noun phrase. Besides it is composed by a preposition (to) and a noun phrase (your sentence structure).
Option a. is a verb phrase as well as option b. In the same way, letter d. is not a prepositional phrase as it is an adjective phrase used in the comparative form.
