| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] at [art] | 3597 |
|
| 2 | [verb] at [art] time | 1743 |
|
| 3 | [was/were] at [art] time | 123 |
|
| 4 | [was/were] [verb] [art] time | 28 |
|
