| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | case it [modal v] be [verb] [prep] | 8 |
|
| 2 | case it [vb mod] [be] [verb] [prep] | 8 |
|
| 3 | case it [modal v] [be] [vb pp] [prep] | 7 |
|
