| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [not/n't] [been] | 2939 |
|
| 2 | [conj] has [been] | 2724 |
|
| 3 | [conj] has [not/n't] | 542 |
|
| 4 | [conj] [not/n't] [been] | 25 |
|
