| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a year 's | 132 |
|
| 2 | [prep] a year ['s] | 132 |
|
| 3 | [prep] a year 's | 132 |
|
| 4 | in a year [unc] | 48 |
|
| 5 | for a year [unc] | 22 |
|
| 6 | after a year [unc] | 18 |
|
| 7 | of a year [unc] | 10 |
|
| 8 | to a year [unc] | 9 |
|
| 9 | with a year [unc] | 8 |
|
| 10 | plus a year [unc] | 6 |
|
