| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could [vb infin] [be] | 516 |
|
| 2 | it could [be] that | 139 |
|
| 3 | could [vb infin] [be] that | 32 |
|
| 4 | it could [vb infin] that | 27 |
|
