| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] [been] [verb] [conj] | 272 |
|
| 2 | it had [been] [verb] [conj] | 246 |
|
| 3 | it had [adv] [been] [verb] | 227 |
|
| 4 | it had [adv] [verb] [conj] | 21 |
|
