| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] at the time that | 10 |
|
| 2 | [was/were] [verb] at [art] time that | 10 |
|
| 3 | [was/were] [vb pp] at [art] time that | 9 |
|
| 4 | was [verb] at [art] time that | 9 |
|
