| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | five years [prep] [noun] | 287 |
|
| 2 | twenty years [prep] [noun] | 82 |
|
| 3 | twenty five years [prep] | 25 |
|
| 4 | twenty five [prep] [noun] | 12 |
|
| 5 | twenty five years [noun] | 6 |
|
