| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which must [verb] | 355 |
|
| 2 | which must [vb infin] | 354 |
|
| 3 | which [modal v] include | 288 |
|
| 4 | [pron] must include | 50 |
|
| 5 | [Wh det] must include | 10 |
|
| 6 | which must include | 10 |
|
| 7 | which must include | 10 |
|
