| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [adv] happen [prep] be | 32 |
|
| 2 | [noun] [Wh det] happen [prep] be | 24 |
|
| 3 | [Wh det] [adv] happen [prep] be | 20 |
|
| 4 | [noun] [Wh det] [adv] happen [prep] | 16 |
|
