How can you put contravene into a sentence?

The word contravene starts with the letter c.

I put the envelope on the table 10 minutes ago. Where did he put his coat?Did they put it back where it belongs?After he took what he needed he put it back in it's original position and left.

The construction worker carefully put the finishing brick piece to complete the building project. OR, in another sense of "put": "He decided to put his answer in the most diplomatic way he could."

well you usually use and wen ur trying to describe 2 things together.ex: i brought my bag and my shoes on the trip

An angry bird scratched my arm! "An" is usually put it a sentence to tell you the noun next to it is singular. Usually if the noun starts with a vowel (A, E, I, O, U) you use "an" if not you use "a"....