| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] | 151916 |
|
| 2 | [conj] [be] [vb pp] | 23352 |
|
| 3 | [conj] [modal v] [be] | 14005 |
|
| 4 | [conj] [modal v] [vb pp] | 7 |
|
