when + past tense
als
before
bevor
until
bis
so that, in order to (not with "s")
damit
so that, in order to (not with "d")
sodass
that
dass
as, while
indem
after
nachdem
whether, if
ob
although
obwohl
although
obgleich
since + past tense
seit
since then
seitdem
during
w�hrend
because
weil
whenever, if
wenn
when, at what time
wann