| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] a year | 326 |
|
| 2 | least [adv] a [noun] | 171 |
|
| 3 | least [adv] [art] year | 45 |
|
| 4 | least [adv] a year | 45 |
|
