| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [adv] [pers pn] [verb] | 1907 |
|
| 2 | [adv] [pers pn] must [verb] | 1069 |
|
| 3 | [Wh adv] [pers pn] must [verb] | 150 |
|
| 4 | [Wh adv] [adv] [pers pn] must | 14 |
|
