| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not have been a [noun] | 66 |
|
| 2 | not [verb] been a [noun] | 66 |
|
| 3 | [adv] to have been a [noun] | 16 |
|
| 4 | not to have been [art] [noun] | 6 |
|
| 5 | not to have [be] a [noun] | 5 |
|
| 6 | not [to-vb] been a [noun] | 5 |
|
| 7 | not to have be a [noun] | 5 |
|
| 8 | not to have [been] a [noun] | 5 |
|
