| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can not [vb infin] been [det] | 5 |
|
| 2 | can not have been [det] | 5 |
|
| 3 | can not [verb] been [det] | 5 |
|
| 4 | can not have been [det] | 5 |
|
