| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [to-vb] [prep] a | 1278 |
|
| 2 | [vb past] [to-vb] at [art] | 462 |
|
| 3 | [vb past] [to-vb] at [art] | 462 |
|
| 4 | [verb] [to-vb] at a | 250 |
|
| 5 | [vb past] [verb] at a | 165 |
|
| 6 | [vb past] [to-vb] at a | 70 |
|
