| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at the same time | 65 |
|
| 2 | [Wh det] at the same time | 22 |
|
| 3 | [Wh det] [vb past] at the time | 11 |
|
| 4 | [Wh det] [vb past] at the same | 5 |
|
