| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] at | 3848 |
|
| 2 | [verb] at [n mass] | 2863 |
|
| 3 | [vb past] [verb] [n mass] | 889 |
|
| 4 | [vb past] at [n mass] | 371 |
|
