x times a
fixed phr..fixed phr.. You use this pattern to say how often something happens within a period of time, like a day, week, or month.
fixed phr.. A quantifier phrase used to express a specific frequency, where 'X' is a cardinal number (or 'once'/'twice') and the noun following 'a' is a unit of time.
I drink coffee two times a day.
The bus to the city center comes three times an hour during the day.
According to the new service agreement, the system must be backed up at least four times a day to ensure data integrity.
Use 'once' for one time and 'twice' for two times; for three or more, use the number plus 'times'.
Contrast this structure with adverbs of frequency like 'often' or 'sometimes' by explaining that 'X times a...' specifies a precise, countable rate.
I take the medicine one time a day.I take the medicine once a day.For a frequency of one, use the special word 'once', not 'one time'.