| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] been [v-ing] for | 83 |
|
| 2 | [indef pn] who [verb] been [v-ing] | 35 |
|
| 3 | [indef pn] [verb] been [v-ing] for | 14 |
|
