| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | unless it can be [vb pp] that | 11 |
|
| 2 | unless it can be [vb pp] that | 11 |
|
| 3 | unless it can be [vb pp] that | 11 |
|
| 4 | unless it can be shown that | 9 |
|
