| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the same time a | 115 |
|
| 2 | at the same time [vb past] | 107 |
|
| 3 | the same time [vb past] a | 14 |
|
| 4 | at the time [vb past] a | 5 |
|
