| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] a year | 326 |
|
| 2 | for [adv] a year | 226 |
|
| 3 | for [adv] a year | 226 |
|
| 4 | for [adv] [adv] a | 79 |
|
