| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh pn] had been [v-ing] | 189 |
|
| 2 | [noun] had been [v-ing] [det] | 56 |
|
| 3 | [Wh pn] had been [v-ing] [det] | 12 |
|
| 4 | [noun] [Wh pn] had been [det] | 5 |
|
