| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [not/n't] been | 9392 |
|
| 2 | have [not/n't] been | 9384 |
|
| 3 | [verb] have been | 5412 |
|
| 4 | [verb] have [not/n't] | 353 |
|
