| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must have [be] [adj] | 156 |
|
| 2 | [pron] must have [be] some | 37 |
|
| 3 | it [modal v] have [be] some | 18 |
|
| 4 | it must [verb] [be] some | 12 |
|
