| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the same time [prep] a | 18 |
|
| 2 | [prep] the same time [prep] a | 17 |
|
| 3 | at the same time [prep] a | 17 |
|
| 4 | at the same time [prep] a | 17 |
|
