| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to [be] | 91837 |
|
| 2 | [v-ing] to [be] | 8901 |
|
| 3 | prove to [be] | 1919 |
|
| 4 | proving [prep] [be] | 102 |
|
| 5 | proving [prep] [be] | 102 |
|
| 6 | proving to [be] | 102 |
|
