| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been a [adj] | 1271 |
|
| 2 | it had been a | 545 |
|
| 3 | it had been [adj] | 487 |
|
| 4 | it had a [adj] | 300 |
|
| 5 | it been a [adj] | 17 |
|
