| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few [noun pl] while | 18 |
|
| 2 | [prep] a few [noun pl] while | 18 |
|
| 3 | for a few [noun pl] while | 14 |
|
| 4 | for a few [noun pl] while | 14 |
|
| 5 | [prep] a few days while | 5 |
|
