retrogress [v.]
-retrogress
Iretrogress
youretrogress
heretrogresses
weretrogress
youretrogress
theyretrogress
Iretrogressed
youretrogressed
heretrogressed
weretrogressed
youretrogressed
theyretrogressed
Iwillretrogress
youwillretrogress
hewillretrogress
wewillretrogress
youwillretrogress
theywillretrogress
Ihaveretrogressed
youhaveretrogressed
hehasretrogressed
wehaveretrogressed
youhaveretrogressed
theyhaveretrogressed
-retrogressing
-retrogressed