| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [adv] a year | 97 |
|
| 2 | [coord] [adv] a year | 97 |
|
| 3 | or [adv] a year | 51 |
|
| 4 | [coord] twice a year | 35 |
|
| 5 | and [adv] a year | 29 |
|
| 6 | but [adv] a year | 17 |
|
| 7 | [coord] once a year | 12 |
|
| 8 | [coord] more a year | 9 |
|
| 9 | [coord] about a year | 7 |
|
| 10 | [coord] even a year | 6 |
|
| 11 | [coord] so a year | 5 |
|
