| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a while [prep] the | 83 |
|
| 2 | a while in the | 24 |
|
| 3 | a while for the | 9 |
|
| 4 | a while by the | 7 |
|
| 5 | a while on the | 7 |
|
| 6 | a while about the | 6 |
|
| 7 | a while at the | 5 |
|
