| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] while [prep] the same time | 90 |
|
| 2 | [noun] while at the same time | 90 |
|
| 3 | [noun sg] while [prep] the same time | 61 |
|
| 4 | [noun pl] while [prep] the same time | 23 |
|
