| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [adv] [art] [noun] | 417 |
|
| 2 | twenty years [adv] [art] | 26 |
|
| 3 | twenty years [adv] [noun] | 14 |
|
| 4 | twenty years [art] [noun] | 14 |
|
