| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] [vb infin] | 15726 |
|
| 2 | [verb] [modal v] [vb infin] | 4758 |
|
| 3 | [verb] which [modal v] | 624 |
|
| 4 | [verb] which [vb infin] | 6 |
|
