| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while at the same [noun] trying | 7 |
|
| 2 | while [prep] the same time trying | 7 |
|
| 3 | while [prep] the same time trying | 7 |
|
| 4 | while [prep] the same [noun sg] trying | 7 |
|
