| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] of | 1287 |
|
| 2 | [modal v] [be] [vb pp] free | 77 |
|
| 3 | [be] [vb pp] free of | 74 |
|
| 4 | [modal v] [be] free of | 34 |
|
