| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] been doing | 33 |
|
| 2 | [Wh pn] have been doing | 33 |
|
| 3 | [Wh pn] [vb base] been doing | 14 |
|
| 4 | [Wh pn] [vb -s] been doing | 10 |
|
| 5 | [Wh pn] [vb past] been doing | 9 |
|
| 6 | [Wh pn] 've been doing | 7 |
|
| 7 | [Wh pn] have been doing | 7 |
|
| 8 | [Wh pn] had been doing | 6 |
|
| 9 | [Wh pn] has been doing | 6 |
|
