| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [not/n't] been a [adv] [adj] | 12 |
|
| 2 | has [not/n't] [been] a [adv] [adj] | 11 |
|
| 3 | has not [been] a [adv] [adj] | 8 |
|
| 4 | has [not/n't] [been] a very [adj] | 6 |
|
