| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been [verb] by | 2611 |
|
| 2 | have been [verb] by a | 1199 |
|
| 3 | [pron] have been [verb] a | 800 |
|
| 4 | [pron] have [verb] by a | 20 |
|
