| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] year 's [noun] | 57 |
|
| 2 | [adv] [prep] [num] year [noun] | 43 |
|
| 3 | [adv] [num] year 's [noun] | 14 |
|
| 4 | [adv] [prep] [num] 's [noun] | 12 |
|
| 5 | [adv] [prep] [num] year 's | 5 |
|
