| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not been [vb pp] of | 30 |
|
| 2 | had [not/n't] been [vb pp] of | 21 |
|
| 3 | has [not/n't] been [vb pp] of | 12 |
|
| 4 | have [not/n't] been heard of | 7 |
|
| 5 | have n't been [vb pp] of | 6 |
|
| 6 | have [not/n't] been told of | 5 |
|
| 7 | have [not/n't] been informed of | 5 |
|
