| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of [noun] [Wh det] [pers pn] must | 6 |
|
| 2 | [noun sg] of [noun] [Wh det] [pers pn] must | 5 |
|
| 3 | of [noun] [Wh det] [pers pn] must [verb] | 5 |
|
| 4 | of [noun] [Wh det] [pers pn] must [vb infin] | 5 |
|
