No, it is not. It is a verb form, and more rarely an adjective (worked = tooled or fashioned, as in worked metal).
"Worked" is a past tense verb, not a preposition. "Him" is a pronoun.
Besides
The preposition in the sentence is "besides." It shows the relationship between Jill and Derek while they are working together.
No, then is not a preposition. It is a conjuction.Than is a preposition.
flew is not a preposition. sorry but through is a preposition
No, then is not a preposition. It is a conjuction.Than is a preposition.
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)
its a preposition
At is a preposition. Anything that can be ___ the box is a preposition. For Example: At the box.
If is not a preposition. It is a conjunction.
No, a preposition is always part of a prepositional phrase. The preposition is the word that introduces the phrase and is followed by the object of the preposition.
The preposition, the object of the preposition, and everything in between. The object of the preposition answers the question "(preposition) what?" For example: He looked in the box worriedly. "in the box" is the prepositional phrase because "in" is the preposition, and "box" is the object of the preposition. "Box" answers the question, "(preposition) what?, or in this case, "In what?"