| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [be] [vb pp] [prep] | 237 |
|
| 2 | must [be] [vb pp] [prep] some | 49 |
|
| 3 | have [be] [vb pp] [prep] some | 41 |
|
| 4 | must have [vb pp] [prep] some | 21 |
|
| 5 | must have [be] [prep] some | 6 |
|
