| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] must [vb infin] [verb] | 27 |
|
| 2 | what [pers pn] must [vb infin] [verb] | 25 |
|
| 3 | [prep] what [pers pn] must [vb infin] | 24 |
|
| 4 | [prep] what [pers pn] must [verb] | 24 |
|
| 5 | [prep] what must [vb infin] [verb] | 7 |
|
