| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [det] [noun] | 265 |
|
| 2 | had been on [noun] | 116 |
|
| 3 | been on [det] [noun] | 50 |
|
| 4 | had on [det] [noun] | 22 |
|
| 5 | had been on [det] | 11 |
|
