| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have n't been a [adv] [adj] | 5 |
|
| 2 | have n't [been] a [adv] [adj] | 5 |
|
| 3 | have n't [be] a [adv] [adj] | 5 |
|
| 4 | have n't be a [adv] [adj] | 5 |
|
