| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [prep] a [adj] | 595 |
|
| 2 | been [prep] a [adj] | 341 |
|
| 3 | [not/n't] been [prep] [adj] | 135 |
|
| 4 | [not/n't] been a [adj] | 116 |
|
| 5 | [not/n't] been [prep] a | 68 |
|
