| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] a year | 15 |
|
| 2 | [pers pn] once a year | 13 |
|
| 3 | [pers pn] about a year | 8 |
|
| 4 | them [adv] a year | 8 |
|
| 5 | her [adv] a year | 6 |
|
| 6 | [pers pn] over a year | 5 |
|
