| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be shown that [conj] | 5 |
|
| 2 | can be shown that [conj] | 5 |
|
| 3 | can be shown that [conj] | 5 |
|
| 4 | [vb mod] be shown that [conj] | 5 |
|
