| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | possible to [be] [adj] | 51 |
|
| 2 | [adj] to [be] certain | 37 |
|
| 3 | [adj] to [be] certain | 37 |
|
| 4 | possible [prep] [be] certain | 7 |
|
| 5 | possible to [be] certain | 7 |
|
