| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [verb] at | 446 |
|
| 2 | [prep] a few [noun] [verb] | 268 |
|
| 3 | [prep] a few [noun] at | 57 |
|
| 4 | a few [noun] [verb] at | 17 |
|
