| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] by a | 1201 |
|
| 2 | have been [verb] by a | 1199 |
|
| 3 | [verb] have been [verb] by | 480 |
|
| 4 | [verb] have been [verb] a | 28 |
|
