| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pers pn] [modal v] [verb] | 5473 |
|
| 2 | what [pers pn] [vb mod] [verb] | 5473 |
|
| 3 | [pron] [pers pn] must [verb] | 590 |
|
| 4 | what [pron] must [verb] | 184 |
|
| 5 | what [pers pn] must [verb] | 178 |
|
