| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at least once a week | 47 |
|
| 2 | at [adv] once a week | 47 |
|
| 3 | at [adv] once a week | 47 |
|
| 4 | at [adv] once a week | 47 |
|
| 5 | at least once a week | 47 |
|
