Question

Subordinating conjunctions are transitions words that signal:

place
action
person
time
cause/effect

Answer 1

Time or place.

Subordinating Conjunctions Signaling Relationships of Time or Place. Another function of subordinating conjunctions is to show a relationship between two clauses involving a transition of time or place. Some examples of such subordinating conjunctions are once, while, when, whenever, where, wherever, before, and after.

Answer 2

Subordinating conjunctions can signal time and place.

hope this helps.