| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] have been for | 10 |
|
| 2 | n't [verb] been for | 7 |
|
| 3 | [not/n't] have been for | 6 |
|
| 4 | [not/n't] [vb infin] been for | 6 |
|
