| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pers pn] must [vb infin] | 178 |
|
| 2 | [to-vb] [pers pn] must [vb infin] | 52 |
|
| 3 | [to-vb] what [pers pn] must | 15 |
|
