| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] have been [det] [noun] | 32 |
|
| 2 | [not/n't] have been [det] [noun sg] | 29 |
|
| 3 | n't have been [det] [noun] | 20 |
|
| 4 | [not/n't] have been any [noun] | 16 |
|
| 5 | not have been [det] [noun] | 12 |
|
| 6 | [not/n't] have been much [noun] | 8 |
|
