| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at least [prep] [adv] [adv] [conj] | 17 |
|
| 2 | at least [prep] [adv] [adv] as | 17 |
|
| 3 | at [adv] [prep] [adv] [adv] as | 17 |
|
| 4 | [prep] least [prep] [adv] [adv] as | 17 |
|
