| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [be] [vb pp] | 13844 |
|
| 2 | but [modal v] [be] [vb pp] | 408 |
|
| 3 | but [modal v] not [be] | 147 |
|
| 4 | but not [be] [vb pp] | 7 |
|
