| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at least [adv] a [noun] | 166 |
|
| 2 | and at [adv] a [noun] | 11 |
|
| 3 | and at least a [noun] | 10 |
|
| 4 | and at least [adv] a | 6 |
|
