Advérbios de tempo e lugar - Advérbios de Baixa Frequência

not at any point in time

nunca

on any occasion

alguma vez

in a manner that almost does not occur or happen

quase nunca

for one single time

uma vez

for a single instance

uma vez

for two instances

duas vezes

on a very infrequent basis

raramente

used to refer to something that happens rarely or infrequently

raramente

on very rare occasions

infrequentemente

in an infrequent and unpredictable manner

esporadicamente

not on regular occasions

incomumente

not on a regular basis

ocasionalmente

on irregular but not rare occasions

on occasions that are not regular or frequent

at moments that are not constant or regular

por vezes

at infrequent intervals

ocasionalmente

at irregular intervals

periodicamente