| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [modal v] [be] [verb] [prep] | 143 |
|
| 2 | [be] [vb pp] [modal v] [be] [verb] [prep] | 143 |
|
| 3 | [be] [verb] [modal v] [be] [verb] to | 26 |
|
| 4 | [be] [vb pp] [modal v] [be] [verb] to | 23 |
|
