| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a week [adv] | 174 |
|
| 2 | [adv] than a [adv] | 93 |
|
| 3 | [adv] than a week | 24 |
|
| 4 | than a week [adv] | 24 |
|
