| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] is not | 13 |
|
| 2 | have been [verb] [is] not | 12 |
|
| 3 | have been [vb pp] [is] not | 11 |
|
| 4 | has been [verb] [is] not | 7 |
|
