| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it can be show that | 37 |
|
| 2 | [subord] it can be shown that | 37 |
|
| 3 | if it can be show that | 16 |
|
| 4 | unless it can be show that | 9 |
|
