| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [adv] in a while | 6 |
|
| 2 | [coord] [adv] in a while | 6 |
|
| 3 | [coord] once in a while | 5 |
|
| 4 | [coord] once in a while | 5 |
|
| 5 | [coord] in a [adj] while | 7 |
|
| 6 | [coord] in a [adj] while | 7 |
|
