| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] free from | 11 |
|
| 2 | [vb mod] be [vb pp] free from | 11 |
|
| 3 | [modal v] be [vb pp] free from | 11 |
|
| 4 | can be [vb pp] free from | 6 |
|
| 5 | can be [vb pp] free from | 6 |
|
| 6 | [modal v] be obtained free from | 5 |
|
