| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a | 6059 |
|
| 2 | [prep] a year | 1994 |
|
| 3 | [adv] a year | 1618 |
|
| 4 | [prep] [adv] year | 19 |
|
