| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [art] time [was/were] | 12 |
|
| 2 | [verb] at the time [was/were] | 11 |
|
| 3 | [verb] at [art] time was | 11 |
|
| 4 | [vb past] at [art] time [was/were] | 7 |
|
