| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] at [art] | 670 |
|
| 2 | [vb past] at [art] time | 398 |
|
| 3 | i [vb past] [art] time | 74 |
|
| 4 | i at [art] time | 56 |
|
