| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] have been [prep] [det] [noun] | 6 |
|
| 2 | [not/n't] have be [prep] [det] [noun sg] | 6 |
|
| 3 | [not/n't] have be [prep] [det] [noun] | 6 |
|
