| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] have been [adj] of | 11 |
|
| 2 | [not/n't] [vb infin] been [adj] of | 11 |
|
| 3 | not [vb infin] been [adj] of | 10 |
|
| 4 | [not/n't] [vb infin] been aware of | 5 |
|
