A preposition will use an object (noun, pronoun, or an equivalent phrase).
Example:
Getting dirty is part of being a cowboy.
(being a cowboy is a noun phrase, object of the preposition of)
Where an adverb might also be used as a preposition, look for an object: a noun or pronoun or the equivalent which normally follows the preposition. If there is none, the word in that usage is an adverb.
Example:
We walked on. (adverb)
We walked on the beach. (preposition)
It is never an adverb. It is always a preposition. The word "within" can be an adverb or a preposition, and the word "forthwith" (immediately) is an adverb.
It can be either. It can be a preposition, or it can be an adverb (walking about), or even possibly an adjective (up and about).
'Exactly' is an ADVERB. Reason it ends in '-ly'.
No, of is not an adverb. The word of is exclusively a preposition, but sometimes is separated from its object (e.g. what is that bolt a part of?).
The word with is not an adverb; it is a preposition. The word "without" may be an adverb (e.g. to do without, where no specific object is used).
No, it is not a preposition. It is an adverb.
It can be a preposition or more rarely an adverb. Preposition : It is in the house. Adverb: The man came in.
No, it is not a preposition. Tall is an adjective and possibly an adverb.
It is never an adverb. It is always a preposition. The word "within" can be an adverb or a preposition, and the word "forthwith" (immediately) is an adverb.
It is never an adverb. It is always a preposition. The word "within" can be an adverb or a preposition, and the word "forthwith" (immediately) is an adverb.
preposition
Adverb: I had a hat on. Preposition: I didn't have any money on me.
In this adverb form of "with" meaning "accompanying," along is an adverb and with is a preposition.
"Along" is typically considered an adverb rather than a preposition. It can be used as a preposition in some cases, such as "along the road," where it shows relationship between the noun "road" and something else.
It can be either. It can be a preposition, or it can be an adverb (walking about), or even possibly an adjective (up and about).
No, it is not a preposition. Usually is an adverb.
No, it is not a preposition. Furthermore is an adverb.