| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] been [v-ing] [adj] [prep] | 9 |
|
| 2 | who have been [v-ing] [adj] [prep] | 9 |
|
| 3 | who had been [v-ing] [adj] [prep] | 5 |
|
| 4 | who [vb past] been [v-ing] [adj] [prep] | 5 |
|
