| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [adv] a week | 21 |
|
| 2 | [adv] [prep] [adv] a week | 21 |
|
| 3 | [adv] [prep] [adv] a week | 21 |
|
| 4 | [adv] for [adv] a week | 13 |
|
| 5 | [adv] for [adv] a week | 13 |
|
| 6 | [adv] [prep] about a week | 6 |
|
| 7 | [adv] [prep] about a week | 6 |
|
| 8 | here [prep] [adv] a week | 5 |
|
