I often go to the cinema.
She sometimes visits me at home.
We usually drink coffee.
Often I go to the cinema.
I go to the cinema often.
But never: I go often to the cinema.
I go to the cinema twice a week.
She take these tablets three times a day.
I change the sheets once a fortnight (fortnight = two weeks).
I meet him several times a year.
I visit my parents once a month.
