| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] been watching | 33 |
|
| 2 | [Wh pn] have been watching | 33 |
|
| 3 | [Wh pn] [vb past] been watching | 32 |
|
| 4 | [Wh pn] had been watching | 32 |
|
