| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] happen at | 104 |
|
| 2 | accident happen [prep] | 80 |
|
| 3 | [noun sg] happen at | 78 |
|
| 4 | accident [verb] at | 29 |
|
| 5 | accident happen at | 27 |
|
