| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adj] years of [noun] | 382 |
|
| 2 | [adv] twenty [noun] of [noun] | 19 |
|
| 3 | [adv] twenty [noun pl] of [noun] | 18 |
|
| 4 | [adv] twenty years [prep] [noun] | 10 |
|
| 5 | [adv] twenty years [prep] [noun] | 10 |
|
| 6 | [adv] twenty year of [noun] | 5 |
|
| 7 | [adv] twenty years of [noun] | 5 |
|
