ENGLISH
REFERENCE

once a week

fixed phr..
A1 Beginner Oxford

fixed phr.. Something that happens one time every seven days.

fixed phr.. An adverbial phrase of definite frequency, indicating that an action or event occurs one time per seven-day cycle.


SIMPLE

I go to the gym once a week.

CONTEXTUAL

The team meets once a week to discuss their progress on the project.

COMPLEX

The support group convenes once a week, providing a reliable and consistent space for members to share their experiences.

Usage

This phrase is typically placed at the end of a clause to specify the frequency of an action.

Teaching tip

Contrast with adverbs of indefinite frequency like 'sometimes' or 'often'; 'once a week' specifies a definite, regular interval.

Pitfall

I visit my grandmother on once a week.I visit my grandmother once a week.This phrase of frequency does not need a preposition like 'on', 'in', or 'at'.

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