| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] have been [prep] [adj] [noun] | 12 |
|
| 2 | [not/n't] have been [prep] [adj] [noun sg] | 10 |
|
| 3 | not have been [prep] [adj] [noun] | 8 |
|
| 4 | [not/n't] have been [prep] [det] [noun] | 6 |
|
| 5 | [not/n't] have been [prep] [adj] [noun] | 5 |
|
| 6 | [not/n't] have been of [adj] [noun] | 5 |
|
