| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which must [verb] | 355 |
|
| 2 | which must [vb infin] | 354 |
|
| 3 | which [modal v] mean | 177 |
|
| 4 | [pron] must mean | 48 |
|
| 5 | [Wh det] must mean | 9 |
|
| 6 | which must mean | 9 |
|
| 7 | which must mean | 9 |
|
