| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] by some [noun pl] | 42 |
|
| 2 | have been [vb pp] by some [noun pl] | 42 |
|
| 3 | has been [verb] by some [noun pl] | 22 |
|
| 4 | have been [verb] by some [noun pl] | 11 |
|
| 5 | have been [verb] by some writers | 6 |
|
