| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] a | 5419 |
|
| 2 | not have been [verb] [prep] | 276 |
|
| 3 | not been [verb] [prep] a | 86 |
|
| 4 | not have [verb] [prep] a | 45 |
|
| 5 | not have been [verb] a | 5 |
|
| 6 | not have been [prep] a | 5 |
|
