| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] we have been [v-ing] [prep] | 16 |
|
| 2 | what we have been [v-ing] [prep] | 12 |
|
| 3 | [Wh det] we have been [v-ing] for | 7 |
|
| 4 | [Wh det] we have been [v-ing] for | 7 |
|
