Conjugation of preharden [v.]
-preharden
Ipreharden
youpreharden
heprehardens
wepreharden
youpreharden
theypreharden
Iprehardened
youprehardened
heprehardened
weprehardened
youprehardened
theyprehardened
Iwillpreharden
youwillpreharden
hewillpreharden
wewillpreharden
youwillpreharden
theywillpreharden
Ihaveprehardened
youhaveprehardened
hehasprehardened
wehaveprehardened
youhaveprehardened
theyhaveprehardened
-prehardening
-prehardened