| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] [verb] to [be] | 70 |
|
| 2 | it [vb mod] [be] [verb] to [be] | 70 |
|
| 3 | [pron] could [be] [verb] to [be] | 31 |
|
| 4 | it could [be] [verb] [prep] [be] | 6 |
|
| 5 | it could [be] [verb] to [be] | 6 |
|
| 6 | it could [be] [verb] [prep] [be] | 6 |
|
| 7 | it could [be] [verb] to [be] | 6 |
|
| 8 | it could [be] [verb] to [be] | 6 |
|
| 9 | it could [be] [verb] to [be] | 6 |
|
