| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pers pn] must [vb infin] be | 48 |
|
| 2 | [prep] what must [vb infin] be | 34 |
|
| 3 | [prep] what [pers pn] must [vb infin] | 24 |
|
| 4 | [prep] [pers pn] must [vb infin] be | 19 |
|
| 5 | [prep] what [pers pn] must be | 5 |
|
