Demonstrating bravery huh? It doesn't seem too hard to explain. Say, for example your talking about a fictional story, right? Depending on what that said character does, depends on his/her bravery for he/she did. If you can implement something similar to that in whatever it was you had in mind, it might help.
I really hope this helps.
1.The rooms are cleaned by Mary every day.
2.An article is written every day.
3.The window is cleaned already.
4.When i arrived somebody is cleaned the room.
A bc An adverbial phrase (also known as an adverb phrase) is a group of words that functions as an adverb in a sentence. That is, it modifies a verb, adjective, adverb, clause, or the sentence as a whole. ... Here are some examples of adverbial phrases: very quickly. in a while.
Hope This Helps! Have A Nice Weekend!!