| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] at least a [noun] | 220 |
|
| 2 | at least a few [noun] | 22 |
|
| 3 | [prep] least a few [noun] | 22 |
|
| 4 | [prep] at least a few | 8 |
|
