| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [v-ing] a [adj] | 12 |
|
| 2 | [Wh pn] have been [v-ing] a [adj] | 10 |
|
| 3 | [Wh pn] had been [v-ing] a [adj] | 8 |
|
