Frequency adverbs tell us how often something happens.
They usually come before the verb in a sentence.
よく (yoku)
often
Example:
よく日本語をべんきょうします。
Yoku Nihongo o benkyō shimasu.
I often study Japanese.
ときどき (tokidoki)
sometimes
Example:
ときどき映画を見ます。
Tokidoki eiga o mimasu.
I sometimes watch movies.
たまに (tamani)
occasionally
Example:
たまにコーヒーを飲みます。
Tamani kōhī o nomimasu.
I occasionally drink coffee.
ふつうに (futsū ni)
normally / usually
Example:
ふつうに7じにおきます。
Futsū ni shichi-ji ni okimasu.
I normally wake up at 7.
あまり〜ません (amari ~masen)
not very often
Example:
あまりテレビを見ません。
Amari terebi o mimasen.
I don’t watch TV very often.
ぜんぜん〜ません (zenzen ~masen)
not at all / never
Example:
ぜんぜんお酒を飲みません。
Zenzen osake o nomimasen.
I never drink alcohol.