| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not been a [adj] | 107 |
|
| 2 | have been [det] a [adj] | 65 |
|
| 3 | have not been [det] [adj] | 30 |
|
| 4 | have not been [det] a | 13 |
|
| 5 | not been [det] a [adj] | 8 |
|
