| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adv] [verb] at | 970 |
|
| 2 | was then [verb] [prep] | 612 |
|
| 3 | [be] then [verb] at | 57 |
|
| 4 | be then [verb] at | 57 |
|
| 5 | [was/were] then [verb] at | 31 |
|
