| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] | 37436 |
|
| 2 | [not/n't] [been] [verb] | 4979 |
|
| 3 | has [not/n't] [verb] | 4401 |
|
| 4 | has [not/n't] [been] | 2939 |
|
