| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [adv] once a week | 9 |
|
| 2 | [pers pn] [verb] [adv] once a week | 7 |
|
| 3 | [vb mod] [verb] [adv] once a week | 5 |
|
| 4 | [adv] [verb] [adv] once a week | 5 |
|
| 5 | [be] [verb] [adv] once a week | 5 |
|
| 6 | [modal v] [verb] [adv] once a week | 5 |
|
| 7 | be [verb] [adv] once a week | 5 |
|
| 8 | [verb] [prep] [adv] once a week | 15 |
|
| 9 | [verb] [prep] [adv] once a week | 15 |
|
| 10 | [verb] at [adv] once a week | 13 |
|
| 11 | [verb] at [adv] once a week | 13 |
|
| 12 | [verb] [adv] once a week [prep] | 12 |
|
| 13 | [verb] [adv] once a week [prep] | 12 |
|
| 14 | [verb] [adv] once a week for | 5 |
|
| 15 | [verb] [adv] once a week for | 5 |
|
