| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [prep] [noun] | 4638 |
|
| 2 | had [been] [prep] | 3635 |
|
| 3 | had [prep] [noun] | 1457 |
|
| 4 | had [been] [noun] | 1451 |
|
