| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] be | 3868 |
|
| 2 | it [modal v] be a | 3382 |
|
| 3 | it [modal v] [verb] a | 2016 |
|
| 4 | [modal v] [verb] be a | 1891 |
|
| 5 | it [verb] be a | 1250 |
|
