| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [verb] | 37993 |
|
| 2 | had [verb] [noun] | 13329 |
|
| 3 | [been] [verb] [noun] | 3774 |
|
| 4 | had [been] [noun] | 1451 |
|
