| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for a [noun] | 11138 |
|
| 2 | [verb] [prep] a while | 570 |
|
| 3 | [verb] for [art] while | 507 |
|
| 4 | [verb] for [art] while | 507 |
|
| 5 | [verb] for a while | 507 |
|
