| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] a [adj] | 305 |
|
| 2 | [Wh pn] have been [v-ing] [adj] | 71 |
|
| 3 | [Wh pn] have been a [adj] | 43 |
|
| 4 | [Wh pn] have been [v-ing] a | 35 |
|
