| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have been [v-ing] [prep] | 424 |
|
| 2 | [Wh det] have been [v-ing] [prep] | 195 |
|
| 3 | [Wh det] we have been [v-ing] | 110 |
|
| 4 | [Wh det] we have been [prep] | 9 |
|
