| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pers pn] must [vb infin] | 88 |
|
| 2 | [prep] which case [pers pn] must | 8 |
|
| 3 | which case [pers pn] must [vb infin] | 5 |
|
