Usually, we see him at school.
Used to express something that repeatedly happen.
Used to express the idea of something that happens all the time.
Formula to use adverbs of Frequency
Adverbs of Frequency
De vez en cuando
Frequently
Always
Sheldom
Subject + Adverb of frequency + principal verb + complement
Used to express something that normally happen.
Bebo cerveza ocasionalmente
If your sentence come with an adverb and the verb "To be" you must follow the next formula
Often
Subject +verb to be+ Adverb of frequency + complement
I drink beer occasionally
Por lo general, lo vemos en la escuela.
Usually
Exhibition name
Used to express something that regularly happen.