| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [v-ing] the [noun] | 286 |
|
| 2 | who had been [v-ing] [noun] | 73 |
|
| 3 | who had been [v-ing] the | 45 |
|
| 4 | who had been the [noun] | 35 |
|
