| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] twenty year [prep] [noun] | 10 |
|
| 2 | [adv] twenty year [prep] [noun] | 10 |
|
| 3 | [adv] twenty year ['s] [noun] | 6 |
|
| 4 | [adv] twenty year [unc] [noun] | 6 |
|
| 5 | [adv] twenty year ' [noun] | 6 |
|
| 6 | [adv] twenty year ' [noun] | 6 |
|
| 7 | [adv] twenty year of [noun] | 5 |
|
| 8 | [adv] twenty year of [noun] | 5 |
|
