| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] be [vb pp] | 11463 |
|
| 2 | [modal v] be [vb pp] at | 3499 |
|
| 3 | it [modal v] be at | 116 |
|
| 4 | it be [vb pp] at | 9 |
|
