| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] have been [noun sg] | 19 |
|
| 2 | not [vb infin] been [noun sg] | 13 |
|
| 3 | n't [vb infin] been [noun sg] | 6 |
|
| 4 | [not/n't] [vb infin] been part | 5 |
|
