Place
Time
Manner
Condition
Cause
Concession
where, wherever
after, before, when, while, as long, since, until, while, whenever,
each time
the way that, by, through, as, as if, like, as though
as long as, in case of, unless, on condition that
because, since, in case, in order to, so as to, so that
although, even if, even though, whereas, despite, while