| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] at least a [adj] [noun] | 23 |
|
| 2 | [to-vb] [prep] least a [adj] [noun sg] | 18 |
|
| 3 | [to-vb] [prep] least a [adj] [noun] | 18 |
|
| 4 | to have [prep] least a [adj] [noun] | 6 |
|
