| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [det] | 10698 |
|
| 2 | [vb past] at [det] | 1237 |
|
| 3 | happened [prep] [det] | 173 |
|
| 4 | happened [prep] [det] | 173 |
|
| 5 | happen at [det] | 109 |
|
| 6 | happened at [adj] | 30 |
|
| 7 | happened at [det] | 15 |
|
