| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which it [modal v] | 785 |
|
| 2 | which it [vb mod] | 785 |
|
| 3 | which [pron] must | 278 |
|
| 4 | which [pers pn] must | 256 |
|
| 5 | [pron] it must | 97 |
|
| 6 | [Wh det] it must | 70 |
|
| 7 | which it must | 16 |
|
| 8 | which it must | 16 |
|
| 9 | which it must | 16 |
|
