| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adj] [noun] | 941 |
|
| 2 | it had been [adj] | 487 |
|
| 3 | it had [adj] [noun] | 281 |
|
| 4 | it had been [noun] | 142 |
|
| 5 | it been [adj] [noun] | 7 |
|
