| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it happened [prep] | 12 |
|
| 2 | [verb] it happened in | 7 |
|
| 3 | [verb] it happened in | 7 |
|
| 4 | [vb base] it happened [prep] | 5 |
|
