| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [adv] [art] [adj] while | 9 |
|
| 2 | been [adv] a [adj] while | 9 |
|
| 3 | been [adv] [art] [adj] while | 7 |
|
| 4 | been [adv] [art] little while | 5 |
|
