| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [adv] happen [prep] | 102 |
|
| 2 | [noun sg] [Wh det] happen [prep] | 77 |
|
| 3 | [noun sg] [adv] happen [prep] | 27 |
|
| 4 | [noun sg] [Wh det] [adv] [prep] | 18 |
|
| 5 | [noun sg] [Wh det] [adv] happen | 16 |
|
