| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [prep] be [adj] | 642 |
|
| 2 | [modal v] prove [prep] be | 281 |
|
| 3 | prove [prep] be [adj] | 89 |
|
| 4 | [modal v] prove [prep] [adj] | 6 |
|
