| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been a [adj] | 1425 |
|
| 2 | been [v-ing] a [adj] | 364 |
|
| 3 | had been [v-ing] a | 275 |
|
| 4 | had been [v-ing] [adj] | 177 |
|
