| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not have been [vb pp] by | 65 |
|
| 2 | not have be [vb pp] by | 65 |
|
| 3 | not have be [vb pp] by | 59 |
|
| 4 | n't have be [vb pp] by | 6 |
|
