| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be [verb] [verb] | 454 |
|
| 2 | it [modal v] only be [verb] | 162 |
|
| 3 | [modal v] only be [verb] [verb] | 53 |
|
| 4 | it [modal v] only [verb] [verb] | 22 |
|
