| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been a [adj] | 884 |
|
| 2 | [not/n't] have been [adj] | 678 |
|
| 3 | [not/n't] have a [adj] | 663 |
|
| 4 | [not/n't] been a [adj] | 116 |
|
| 5 | [not/n't] have been a | 108 |
|
