It is not an adverb. It is a subordinating conjunction.
Yes. As in "we work hard." Although "soft" has the adverb form "softly," the adverbs "hardly" and "barely" usually do not mean in a hard manner or a bare manner.
No, although is a subordinating conjunction. For the difference between conjunctions and adverbs, see Conjunctive adverbs on linguapress.com English grammar online
The word good is an adjective. The word pretty (meaning fairly) is colloquially an adverb here, modifying good, although it is typically an adjective. Together they will modify a noun.
The phrase "even though" (though, although) is a conjunction, used to create a dependent clause.
Rather is an adverb, not a verb.If you say I would rather..., it means I would prefer..., but, although prefer is a verb, ratheris not.
No. It is an adverb of time, although it is a nonspecific time.
An adverb clause is introduced by a subordinating conjunction such as "because," "when," "if," "although," or "since." It functions as an adverb in a sentence, providing information about time, reason, condition, manner, or place.
No, magnify is a verb. There is no direct adverb form, although both magnified and magnifying can be adjectives.
No, although suspect can be an adjective as well as a noun. The most likely adverb for suspect is "suspiciously."
adverb
"Although" is an adverb, to be used at the beginning of an adverbial clause: Although it is very cold, he did not want a coat.
With is a preposition, and is not normally used as an adverb (although "without" can be). Adverbs that might express "with" would be "accompanyingly" or concomitantly.
An adjective, although it ends in -LY (like lonely, homely, and smelly). Elderly means old and has no adverb form.
Yes, although it can be used as an adverb (loyally).
Yes, the adverb clause "although the ostrich is a bird" would be followed by a comma.
No, although "on a perfect day" could be an adverb prepositional phrase. Perfect is an adjective and day is a noun.
subordinate adverb conjunction, beginning an adverb clause (synonym for "although")