| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] been a [noun sg] | 158 |
|
| 2 | not been a [noun] | 94 |
|
| 3 | n't been a [noun] | 67 |
|
| 4 | [not/n't] been a success | 14 |
|
| 5 | [not/n't] been a success | 14 |
|
| 6 | [not/n't] been a problem | 9 |
|
| 7 | [not/n't] been a problem | 9 |
|
