| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [det] than a | 315 |
|
| 2 | [det] than a week | 99 |
|
| 3 | [adv] than a week | 24 |
|
| 4 | [adv] [det] a week | 9 |
|
