| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at least [adj] | 323 |
|
| 2 | at least [adj] a | 77 |
|
| 3 | [adv] at [adj] a | 67 |
|
| 4 | [adv] at least a | 42 |
|
