| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [prep] [noun] | 1251 |
|
| 2 | [been] [prep] [det] [noun] | 577 |
|
| 3 | had [prep] [det] [noun] | 291 |
|
| 4 | had [been] [det] [noun] | 265 |
|
| 5 | had [been] [prep] [det] | 171 |
|
