| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [vb pp] [pers pn] [prep] the | 16 |
|
| 2 | must have [verb] [pers pn] [prep] the | 16 |
|
| 3 | must have [verb] it [prep] the | 6 |
|
| 4 | must have [verb] [pers pn] in the | 5 |
|
