| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] be [vb pp] by | 631 |
|
| 2 | they [vb past] [prep] be [vb pp] | 190 |
|
| 3 | they [vb past] be [vb pp] by | 113 |
|
