| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] a | 37906 |
|
| 2 | [verb] at a | 7173 |
|
| 3 | [verb] [vb pp] at | 4126 |
|
| 4 | [vb pp] at a | 2778 |
|
