| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as if prove | 21 |
|
| 2 | as [subord] prove | 21 |
|
| 3 | as [conj] prove | 21 |
|
| 4 | as if prove | 21 |
|
| 5 | as [conj] to prove | 21 |
|
