| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] at the same time | 60 |
|
| 2 | [was/were] [vb pp] at the same time | 60 |
|
| 3 | was [vb pp] at the same time | 33 |
|
| 4 | were [vb pp] at the same time | 27 |
|
