| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] has been a [adj] | 314 |
|
| 2 | [noun sg] has [not/n't] been [adj] | 125 |
|
| 3 | has [not/n't] been a [adj] | 57 |
|
| 4 | [noun sg] has [not/n't] been a | 19 |
|
