| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has not been [adv] | 258 |
|
| 2 | has been [adv] [det] | 107 |
|
| 3 | has not been [det] | 28 |
|
| 4 | not been [adv] [det] | 9 |
|
