They are generally divided into EIGHT classes:—
(1) Final introduce a clause expressing a purpose.
ŭt, quō ... that, in order to.
nē, quōmĭnus ... that not, lest.
qui ... who (= ut is ...).
Edo ut vivam.
Ne ignavum te putemus, fortiter pugna.
Pauci mihi sunt quos mittam.
(2) Consecutive introduce a clause expressing a consequence or result.
ŭt ... so that, so as to.
ŭt nōn, quīn ... so as not to.
qui ... who (of such a kind as to...).
Ex.: Tam fortis adest nemo ut solus muros ascendat.
Tam fortis est ut hostes non timeat.
Dignus erat qui rex fieret.
(3) Temporal.
cum, quandō ... when.
ŭbī̆, ŭt ... when, as.
sĭmŭl, sĭmŭl atque (ac) ... as soon as.
postquam ... after that.
dum, dōnec, quŏad ... until, as long as, while.
prĭus ... quam, antĕ ... quam ... before that.
Discedere prius noluit quam ducem vidisset.
Pompeius ut equitatum suum pulsum vidit, acie excessit.