| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while at the same time [verb] | 224 |
|
| 2 | while at the same time [v-ing] | 218 |
|
| 3 | while at [art] same time preserving | 6 |
|
| 4 | while [prep] the same time preserving | 6 |
|
| 5 | while at the [adj] time preserving | 6 |
|
| 6 | while at the same time preserving | 6 |
|
| 7 | while at the same time preserve | 6 |
|
| 8 | while at the same time preserving | 6 |
|
| 9 | [conj] at the same time preserving | 6 |
|
| 10 | while [prep] the same time preserving | 6 |
|
| 11 | while at [art] same time preserving | 6 |
|
| 12 | while at the same [noun] preserving | 6 |
|
