| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] [verb] | 12788 |
|
| 2 | [modal v] [be] [vb pp] [was/were] | 105 |
|
| 3 | [be] [vb pp] [was/were] [verb] | 69 |
|
