| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [be] [verb] | 14269 |
|
| 2 | 've [be] [verb] | 4417 |
|
| 3 | [Wh pn] 've [verb] | 517 |
|
| 4 | [Wh pn] 've [be] | 190 |
|
