| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb mod] prove to be [adj] | 9 |
|
| 2 | [Wh det] [vb mod] prove to be [adj] | 6 |
|
| 3 | [Wh det] may prove to be [adj] | 5 |
|
| 4 | what [vb mod] prove to be [adj] | 5 |
|
