| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] happen be [conj] [pron] [vb base] | 6 |
|
| 2 | [Wh det] happen [be] [conj] [pers pn] [vb base] | 6 |
|
| 3 | what happen [be] [conj] [pron] [vb base] | 6 |
|
