| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb -s] [pers pn] must [vb infin] | 11 |
|
| 2 | which [vb -s] [pers pn] must [vb infin] | 11 |
|
| 3 | which means [pers pn] must [vb infin] | 10 |
|
| 4 | which [vb -s] [pers pn] must have | 6 |
|
