| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] to be | 1421 |
|
| 2 | which [vb past] to be | 476 |
|
| 3 | [pron] proved to be | 201 |
|
| 4 | which prove to be | 58 |
|
| 5 | which proved [prep] be | 50 |
|
| 6 | which proved to [be] | 50 |
|
| 7 | which proved [prep] be | 50 |
|
| 8 | which proved to be | 50 |
|
