| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [verb] [modal v] be | 141 |
|
| 2 | [prep] [be] [verb] [vb mod] be | 141 |
|
| 3 | [prep] [be] [verb] [vb mod] [be] | 141 |
|
