| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [prep] the same time | 452 |
|
| 2 | but [prep] the same time | 452 |
|
| 3 | but [prep] the same time | 452 |
|
| 4 | but at the same time | 449 |
|
| 5 | but at the same time | 449 |
|
