500
Cause / Effect: because, since, so that
Comparison / Contrast: although, even though, though, whereas, while
Place & Manner: how, however, where, wherever
Possibility / Conditions: if, whether, unless
Relation: that, which, who
Time: after, as, before, since, when, whenever, while, until
(Hint: A list of...)
What is subordinating conjunctions and the relationships they indicate