| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] at | 13135 |
|
| 2 | [adv] [vb infin] at | 2682 |
|
| 3 | [adv] happen [prep] | 324 |
|
| 4 | [adv] happen at | 61 |
|
