| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a while [prep] [pron] | 26 |
|
| 2 | a long while [prep] | 21 |
|
| 3 | a long while [pron] | 11 |
|
| 4 | long while [prep] [pron] | 5 |
|
