| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not been | 6508 |
|
| 2 | had not been | 3924 |
|
| 3 | has not been | 2936 |
|
| 4 | have n't been | 2873 |
|
| 5 | have not been | 2199 |
|
| 6 | 's not been | 151 |
|
| 7 | 've not been | 133 |
|
| 8 | 'd not been | 20 |
|
| 9 | have not been | 10 |
|
