| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which we [modal v] [vb infin] | 881 |
|
| 2 | which [pron] must [vb infin] | 207 |
|
| 3 | [pron] we must [vb infin] | 105 |
|
| 4 | which we must [verb] | 35 |
|
