You use a preposition in a prepositional phrase, such as "I will be with you in a minute."
her angry reply disconcerted me completly
He concieved the project while he was away on vacation.
I believe that I can run a mile in 7 min.
The man with the stoic look had malicious intent in his heart.
He asked to be cremated when he died. His body was cremated and his ashes were buried.
Wind power projects are undermined by transmission problems
He got the first prize so they had a cookout. This is a sentence using the word cookout.
You can use the preposition "with" with the verb "disagree." For example, "I disagree with your opinion."
use the preposition
Yes, you can use the word but as a preposition. It is a preposition the same as about, by, for, and than.
After pausing a moment in introspection, the man with the stoic look, and the malicious heart, continued upon his way.
What a frivolous question. Honestly: Many people think frivolous thoughts. "This is such a frivolous idea!"