| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [be] held | 128 |
|
| 2 | [modal v] [be] held to | 34 |
|
| 3 | [modal v] not [be] to | 28 |
|
| 4 | not [be] held to | 8 |
|
