| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [verb] [pron] been [v-ing] | 139 |
|
| 2 | [Wh det] [verb] been [v-ing] for | 37 |
|
| 3 | [verb] [pron] been [v-ing] for | 17 |
|
