| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [vb pp] of | 1287 |
|
| 2 | [vb mod] to be [vb pp] | 1022 |
|
| 3 | to be [vb pp] of | 731 |
|
| 4 | [vb mod] to be of | 9 |
|
