| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at the same time | 318 |
|
| 2 | was [vb pp] at the time | 87 |
|
| 3 | was [vb pp] at the same | 36 |
|
| 4 | was at the same time | 30 |
|
