| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [verb] [adv] for a while | 15 |
|
| 2 | and [verb] [adv] for [art] while | 15 |
|
| 3 | and [verb] [adv prt] for [art] while | 8 |
|
| 4 | and [vb past] [adv] for [art] while | 8 |
|
| 5 | and [verb] [adv] for [art] while | 7 |
|
