| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] at | 9746 |
|
| 2 | [adv] [vb past] at | 1303 |
|
| 3 | [adv] happened [prep] | 211 |
|
| 4 | [adv] happen at | 40 |
|
| 5 | [adv] happened at | 10 |
|
