| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] for a [noun] | 1265 |
|
| 2 | [adv] [verb] for a [noun sg] | 1230 |
|
| 3 | [adv] [verb] [prep] a while | 48 |
|
| 4 | [adv] [verb] for a while | 47 |
|
| 5 | [adv] [verb] for [art] while | 47 |
|
| 6 | [adv] [verb] for [art] while | 47 |
|
| 7 | [adv] [verb] for a while | 47 |
|
