| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [verb] at [art] | 416 |
|
| 2 | [was/were] [verb] at [art] time | 256 |
|
| 3 | [adv] [verb] at [art] time | 157 |
|
| 4 | [was/were] [adv] at [art] time | 31 |
|
