Yes, depending on the sentence. If it is followed by a noun, it is a preposition.
He had gone there before. (adverb)
We left before the storm. (preposition)
It can be an adverb, a preposition, or a conjunction. "He had seen the car before." (adverb) "He saw the car before the storm. (preposition) "He saw the car before it was washed away by the storm." (conjunction)
Compound Adverb
In the sentence, "John is tall, but Mary is even taller", "even" is an adverb used before a comparative for emphasis.
Sometimes. They did it before I did it. CONJUNCTION They did it before John. PREPOSITION They've done it before. ADVERB
The word before is a preposition. It can also be an adverb.
"Before" can be used as both an adverb and a preposition. As an adverb, it modifies a verb or adjective (e.g., "I had seen him before."). As a preposition, it is used to show the relation of a noun to another word in the sentence (e.g., "She left before the party started.").
It is a time adverb
It can be an adverb, a preposition, or a conjunction. "He had seen the car before." (adverb) "He saw the car before the storm. (preposition) "He saw the car before it was washed away by the storm." (conjunction)
if adverb is placed not exactly after or before the verb then it is called predicate adverb.
An adverb of place does not really have to come after an adverb of time.
When an adverb comes immediately before the verb in a sentence, it is called "prepositional adverb placement," which aims to provide emphasis or clarify the action happening.
Before is an adverb (how, when, or where).
Compound Adverb
No, the word 'before' is an adverb, a preposition, and a conjunction.Examples:I've been here before. (adverb)We should be home before dark. (preposition)I worked in fast food before I got this job. (conjunction)
before the helping verb
Yes it is. It sets a time before which something will not, cannot, or did not occur.Yes, after is an adverb of time.
"Before" is a preposition and an adverb, it doesn't have tenses.