| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] happened [prep] the | 152 |
|
| 2 | had happened [prep] the | 152 |
|
| 3 | [vb past] happened to the | 53 |
|
| 4 | [vb past] happened in the | 46 |
|
| 5 | [vb past] happened at the | 16 |
|
| 6 | [vb past] happened during the | 11 |
|
| 7 | [vb past] happened on the | 9 |
|
| 8 | [vb past] happened with the | 5 |
|
