| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] [adj] | 217 |
|
| 2 | [Wh pn] have been [v-ing] [prep] | 59 |
|
| 3 | [Wh pn] have been [prep] [adj] | 20 |
|
| 4 | [Wh pn] have been [v-ing] [adj] | 15 |
|
