| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at the same time | 1450 |
|
| 2 | [vb past] at the same time | 65 |
|
| 3 | [conj] [vb past] at the time | 13 |
|
| 4 | [conj] [vb past] at the same | 12 |
|
