Behold the former things
ri'shown  (ree-shone')
first, in place, time or rank (as adjective or noun) -- ancestor, (that were) before(-time), beginning, eldest, first, fore(-father) (-most), former (thing), of old time, past.
are come to pass
bow'  (bo)
to go or come (in a wide variety of applications)
and new things
chadash  (khaw-dawsh')
new -- fresh, new thing.
do I declare
nagad  (naw-gad')
to front, i.e. stand boldly out opposite; by implication (causatively), to manifest; figuratively, to announce (always by word of mouth to one present); specifically, to expose, predict, explain, praise
before they spring forth
tsamach  (tsaw-makh')
to sprout (transitive or intransitive, literal or figurative) -- bear, bring forth, (cause to, make to) bud (forth), (cause to, make to) grow (again, up), (cause to) spring (forth, up).
I tell
shama`  (shaw-mah')
to hear intelligently (often with implication of attention, obedience, etc.; causatively, to tell, etc.)
you of them