| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [not/n't] been [vb pp] a | 13 |
|
| 2 | has [not/n't] [been] [vb pp] a | 12 |
|
| 3 | [vb -s] not [been] [vb pp] a | 9 |
|
| 4 | [vb -s] [not/n't] [been] given a | 6 |
|
