| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] of [Wh det] [pers pn] must | 11 |
|
| 2 | [noun] of what [pers pn] must | 8 |
|
| 3 | [noun] of which [pers pn] must | 5 |
|
| 4 | [noun] of [Wh det] they must | 5 |
|
