| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [be] [verb] to | 429 |
|
| 2 | [Wh det] 've [pron] [be] [verb] | 17 |
|
| 3 | 've [pron] [be] [verb] to | 6 |
|
