| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not been [vb pp] a | 26 |
|
| 2 | had not [been] [vb pp] a | 13 |
|
| 3 | have not [been] given a | 11 |
|
| 4 | has not [been] [vb pp] a | 8 |
|
