Answer:
while, if, and though.
Explanation:
Adverbial clauses, commonly used to add explanatory detail within a particular sentence, are often introduced by subordinating conjunctions. These subordinating conjunctions provide the necessary transition between the two main ideas in the sentence, the dependent and the independent. Indicating as well a time, place, or cause and effect relationship between the sentence's main ideas.
Among the most common subordinating conjunctions are because, since, as, although, though, while, and whereas, after
, before
, even if
, even though
, and if, to name a few.
