| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [verb] [prep] | 17500 |
|
| 2 | [verb] happen [prep] | 2007 |
|
| 3 | have happen [prep] | 1634 |
|
| 4 | [vb -s] happen [prep] | 793 |
|
