| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been [v-ing] [noun sg] | 84 |
|
| 2 | [noun] had been an [noun sg] | 74 |
|
| 3 | had been [v-ing] an [noun sg] | 24 |
|
| 4 | [noun] had been [v-ing] an | 21 |
|
