| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [vb pp] | 33309 |
|
| 2 | [not/n't] [been] [vb pp] | 4438 |
|
| 3 | has [not/n't] [vb pp] | 4377 |
|
| 4 | has [not/n't] [been] | 2939 |
|
