| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] at least a [noun] | 196 |
|
| 2 | [to-vb] at least a [noun] | 33 |
|
| 3 | [to-vb] [prep] least a [noun] | 33 |
|
| 4 | [to-vb] [prep] at least [noun] | 10 |
|
| 5 | [to-vb] [prep] at least a | 6 |
|
