| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be [verb] | 12234 |
|
| 2 | [pron] could be [verb] | 4031 |
|
| 3 | [pers pn] could be [verb] | 2600 |
|
| 4 | it could [be] [verb] | 1295 |
|
| 5 | it could be [verb] | 1295 |
|
