| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb mod] not have been [prep] | 8 |
|
| 2 | i [modal v] not have been [prep] | 8 |
|
| 3 | i [modal v] not have been in | 8 |
|
| 4 | i [modal v] n't have been [prep] | 5 |
|
