| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [pron] [verb] to [be] | 312 |
|
| 2 | [adv] [pron] happen to [be] | 33 |
|
| 3 | [Wh adv] [pron] happen [prep] [be] | 20 |
|
