| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [not/n't] been for | 185 |
|
| 2 | had [not/n't] been a | 149 |
|
| 3 | [not/n't] been for a | 31 |
|
| 4 | had been for a | 21 |
|
