| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at least a [noun] | 15 |
|
| 2 | [adv] [prep] least a [noun] | 15 |
|
| 3 | [adv] at least a [noun] | 15 |
|
| 4 | [adv] [prep] least a [noun sg] | 14 |
|
| 5 | [adv] [prep] least a [noun] | 9 |
|
| 6 | [adv] [prep] least an [noun] | 6 |
|
