Adverbs of Time and Place - Adverbs of Low Frequency

never [adverb]

not at any point in time

Ex: I never thought I 'd see such a beautiful sunset .

ever [adverb]

at any point in time

Ex: Do n't ever speak to me like that again .

hardly ever [adverb]

in a manner that almost does not occur or happen

Ex: He hardly ever arrives late to meetings .

once [adverb]

for one single time

Ex: She called me once but never again .

one time [adverb]

for a single instance

Ex: I went skydiving , and one time , I even tried scuba diving .

twice [adverb]

for two instances

Ex: I 've traveled to Europe twice .

rarely [adverb]

on a very infrequent basis

Ex: It rarely snows in this part of the country .

seldom [adverb]

used to refer to something that happens rarely or infrequently

Ex: He seldom attends social events .

infrequently [adverb]

on very rare occasions

Ex: He visits his hometown infrequently , maybe once every few years .

sporadically [adverb]

at irregular and unpredictable intervals of time

Ex: Rain fell sporadically all afternoon , never lasting more than minutes .

uncommonly [adverb]

in a way that is rare or not customary

Ex: The team uncommonly struggled in the match ; they are typically strong contenders .

occasionally [adverb]

not on a regular basis

Ex: She reads novels , and occasionally , she writes short stories .

(every|) now and then [phrase]

on irregular but not rare occasions

Ex: They take short vacations now and then .

now and again [phrase]

on occasions that are not regular or frequent

Ex: She changes her hairstyle now and again .

at times [adverb]

at moments that are not constant or regular

Ex: The team practices late at times .

on occasion [adverb]

at infrequent intervals

Ex: On occasion , they organize community events .

periodically [adverb]

now and then or from time to time

Ex: He periodically volunteers at the food bank .