| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [prep] [adv] a year | 12 |
|
| 2 | [verb] [prep] [prep] [adv] a year | 11 |
|
| 3 | [noun sg] [prep] [prep] [adv] a year | 10 |
|
| 4 | [vb pp] [prep] [prep] [adv] a year | 8 |
|
| 5 | [adv] [prep] [prep] [adv] a year | 7 |
|
| 6 | [prep] [noun] [prep] [adv] a year | 33 |
|
| 7 | [prep] [noun sg] [prep] [adv] a year | 20 |
|
| 8 | [prep] [noun prp] [prep] [adv] a year | 12 |
|
| 9 | [prep] [pers pn] [prep] [adv] a year | 5 |
|
| 10 | [prep] [pron] [prep] [adv] a year | 5 |
|
