Adverbe de Timp și Loc - Adverbe de joasă frecvență

not at any point in time

nu

on any occasion

până acum

in a manner that almost does not occur or happen

aproape niciodată

for one single time

o singura data

for a single instance

o dată

for two instances

de două ori

on a very infrequent basis

rareori

on a very uncommon basis

rar

on very rare occasions

rar

in an infrequent and unpredictable manner

sporadic

not on regular occasions

neobișnuit

not on a regular basis

din cand in cand

on irregular but not rare occasions

uneori

on occasions that are not regular or frequent

rareori

at moments that are not constant or regular

uneori

at infrequent intervals

ocazional

at irregular intervals

periodic