| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had [not/n't] been [prep] | 190 |
|
| 2 | it had been [prep] [adj] | 60 |
|
| 3 | had [not/n't] been [prep] [adj] | 51 |
|
| 4 | it had [not/n't] been [adj] | 48 |
|
| 5 | it [not/n't] been [prep] [adj] | 20 |
|
