| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [art] | 9210 |
|
| 2 | which [vb past] [art] | 8667 |
|
| 3 | which [vb past] at | 394 |
|
| 4 | which at [art] | 150 |
|
