| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not have been [prep] [noun] | 15 |
|
| 2 | not have been [prep] [noun] | 14 |
|
| 3 | not have been [prep] [noun sg] | 14 |
|
| 4 | not have been in [noun] | 9 |
|
| 5 | n't have been [prep] [noun] | 5 |
|
| 6 | not have been [prep] [noun prp] | 5 |
|
