| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [prep] [adv] a week | 8 |
|
| 2 | [noun sg] [prep] [prep] [adv] a week | 7 |
|
| 3 | [prep] [noun] [prep] [adv] a week | 8 |
|
| 4 | [prep] [noun sg] [prep] [adv] a week | 5 |
|
