| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] to [be] | 5112 |
|
| 2 | not [vb infin] to [be] | 3722 |
|
| 3 | [adv] prove to [be] | 85 |
|
| 4 | not prove to [be] | 37 |
|
| 5 | not prove [prep] [be] | 21 |
|
