| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] be | 9390 |
|
| 2 | it [modal v] [be] [adv] | 4673 |
|
| 3 | [modal v] [be] [adv] be | 63 |
|
| 4 | it [modal v] [be] be | 13 |
|
