No, it cannot. The word first is either a noun, an adjective, or an adverb.
No, it is not a preposition. "First of all" is an idiomatic adverb that means "before anything else."
No. It is not a preposition. We is the plural first person personal pronoun (nominative case).
No, "at" is a preposition when used to indicate a specific location or time. In the phrase "at first," "first" is functioning as an ordinal number to describe the initial occurrence or rank in a sequence.
No. Whom is the objective form of the pronoun "who." It is not used as a preposition.
No, then is not a preposition. It is a conjuction.Than is a preposition.
Ere is a preposition that is a palindrome.
At is a preposition. Anything that can be ___ the box is a preposition. For Example: At the box.
No. Almost is an adverb. It is not used as a preposition.
Yes. Because can be used as a preposition.
The preposition is into.The prepositional phrase is into a rage.
No, the word "when" is not a preposition. It is an adverb or a conjunction used to indicate time or a condition.
It is almost always used as a preposition.