| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] the same time | 343 |
|
| 2 | [vb pp] at the same time | 318 |
|
| 3 | at [prep] the same time | 166 |
|
| 4 | [vb pp] at [prep] the same | 23 |
|
