| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adv] have been [prep] | 7 |
|
| 2 | [not/n't] [adv] [vb infin] been [prep] | 7 |
|
| 3 | [not/n't] [adv] have been [prep] | 7 |
|
