| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for a while | 507 |
|
| 2 | [vb -s] for a [noun] | 443 |
|
| 3 | [vb -s] for a [noun sg] | 426 |
|
| 4 | [vb -s] [prep] a while | 14 |
|
| 5 | [vb -s] [prep] a while | 14 |
|
| 6 | [vb -s] for a while | 11 |
|
| 7 | [vb -s] for [art] while | 11 |
|
| 8 | [vb -s] for a while | 11 |
|
| 9 | [vb -s] for [art] while | 11 |
|
| 10 | [vb -s] for a while | 11 |
|
