A preposition is usually defined as a word that shows the relationship between a noun or pronoun and another word or group of words in a sentence.
Example: Our trip began in Baltimore.
In is the preposition.
Yes, "against" is a preposition that typically shows opposition, resistance, or contact between two things.
It is allowed to start a sentence with a preposition. One such sentence might be: "Over the clouds flew the airplane, and no one saw it at all from below."
The word "are" IS a preposition. ~CGM
Yes, "against" is a preposition that typically shows opposition, resistance, or contact between two things.
It is allowed to start a sentence with a preposition. One such sentence might be: "Over the clouds flew the airplane, and no one saw it at all from below."