| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [not/n't] [been] | 2939 |
|
| 2 | [adv] has [been] | 795 |
|
| 3 | [adv] has [not/n't] | 396 |
|
| 4 | [adv] [not/n't] [been] | 175 |
|
