| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [adv] once a week | 16 |
|
| 2 | [noun pl] [adv] once a [noun sg] | 13 |
|
| 3 | [noun pl] [adv] once a [noun] | 13 |
|
| 4 | [noun pl] [adv] [adv] a week | 9 |
|
| 5 | [noun pl] [adv] [adv] a week | 9 |
|
| 6 | [noun pl] [adv] once a week | 5 |
|
| 7 | [noun pl] [adv] once a week | 5 |
|
| 8 | [noun pl] [adv] once [art] week | 5 |
|
