| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have happen at the | 26 |
|
| 2 | [verb] happened at the | 25 |
|
| 3 | had happen at the | 16 |
|
| 4 | [vb past] happen at the | 16 |
|
| 5 | [vb -s] happen at the | 7 |
|
| 6 | has happen at the | 5 |
|
