| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] be [verb] | 41314 |
|
| 2 | it [modal v] be [verb] | 12234 |
|
| 3 | it [modal v] [be] [verb] | 12234 |
|
| 4 | it [modal v] [be] [verb] | 12232 |
|
