| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years [unc] | 817 |
|
| 2 | [prep] 25 [noun] [unc] | 20 |
|
| 3 | [prep] 25 [noun pl] [unc] | 20 |
|
| 4 | [prep] 25 year [unc] | 19 |
|
| 5 | [prep] 25 years [unc] | 19 |
|
