| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 9825 |
|
| 2 | [prep] a few [noun] | 6065 |
|
| 3 | at a [det] [noun] | 59 |
|
| 4 | at [art] few [noun] | 46 |
|
| 5 | at a few [noun] | 39 |
|
