| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not have been [verb] [prep] a | 30 |
|
| 2 | not have been [verb] [prep] a | 29 |
|
| 3 | not have been [vb pp] [prep] a | 28 |
|
| 4 | not have been [verb] [prep] a | 27 |
|
| 5 | not have been [verb] by a | 9 |
|
| 6 | not have been [verb] by a | 9 |
|
| 7 | not have been [verb] as a | 6 |
|
| 8 | not have been [verb] as a | 6 |
|
| 9 | not have been [verb] in a | 5 |
|
| 10 | not have been [verb] in a | 5 |
|
