| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [been] [verb] | 4979 |
|
| 2 | [not/n't] [been] [vb pp] | 4438 |
|
| 3 | [adv] [been] mentioned | 189 |
|
| 4 | [not/n't] [be] mentioned | 42 |
|
| 5 | [not/n't] [been] mention | 29 |
|
