| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] | 333444 |
|
| 2 | [vb past] [prep] | 333078 |
|
| 3 | [verb] at | 137581 |
|
| 4 | [vb past] at | 29844 |
|
