| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had [been] | 29555 |
|
| 2 | [noun] had [prep] | 4156 |
|
| 3 | had [been] [prep] | 3635 |
|
| 4 | [noun] [been] [prep] | 120 |
|
