| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] at least a [noun] of | 17 |
|
| 2 | [to-vb] at least a [noun] of | 17 |
|
| 3 | [to-vb] at least a [noun sg] of | 17 |
|
| 4 | [to-vb] at least a couple of | 8 |
|
| 5 | [to-vb] at least a couple of | 8 |
|
