| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [vb mod] be [vb pp] | 1098 |
|
| 2 | it [vb mod] be [vb pp] at | 181 |
|
| 3 | [subord] [vb mod] be [vb pp] at | 14 |
|
| 4 | [subord] it [vb mod] be at | 7 |
|
