It can be, when the word less means "minus" or "except."
Example: The total, less the tax, is one hundred dollars.
Otherwise less, without an object, is an adjective, adverb, or noun.
Yes it is a preposition. It is also used as an adverb and less frequently as a noun.
Yes, it is usually a preposition. It can (less frequently) be a standalone adverb.
No, then is not a preposition. It is a conjuction.Than is 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.
Yes it is a preposition. It is also used as an adverb and less frequently as a noun.
No. Except is a preposition or less frequently a conjunction or verb.
Yes, it is usually a preposition. It can (less frequently) be a standalone adverb.
No, it is not used as a verb. It can be a preposition or an adverb, and less frequently an adjective or noun.
No, it is a conjunction, or less defintively a preposition. The similar word "then" can be an adverb.
No, it is not used as a verb. It can be a preposition or an adverb, and less frequently an adjective or noun.
No, then is not a preposition. It is a conjuction.Than is a preposition.
It can be. Less can be a noun (a lesser amount), an adjective, a preposition (without), or an adverb (the comparative form of little). Examples: "We know less about the new species than the others." "I work less during winter."
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.
It can be, as in "left out" or "picked out" or "fell out." It can also be a noun. It is less clearly a preposition (elliptical form of "out of") or adjective (out as in not in, or present).
its a preposition