| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb -s] to [be] | 438 |
|
| 2 | [vb -s] prove to [be] | 169 |
|
| 3 | this prove to [be] | 70 |
|
| 4 | this [vb -s] prove to | 15 |
|
