| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [Wh det] [verb] happen [prep] | 34 |
|
| 2 | [coord] [Wh det] have happen [prep] | 33 |
|
| 3 | [coord] [Wh det] has [verb] [prep] | 25 |
|
| 4 | [coord] [pron] has happen [prep] | 22 |
|
| 5 | [coord] [Wh det] [vb -s] happen [prep] | 21 |
|
| 6 | [conj] [Wh det] has happen [prep] | 15 |
|
| 7 | [coord] [Wh det] has happen [prep] | 14 |
|
