| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years of [noun] [coord] | 258 |
|
| 2 | twenty [noun] of [noun] [coord] | 12 |
|
| 3 | twenty years [prep] [noun] [coord] | 12 |
|
| 4 | twenty years [prep] [noun] [coord] | 12 |
|
| 5 | twenty [noun pl] of [noun] [coord] | 11 |
|
| 6 | twenty years of [noun] [conj] | 6 |
|
| 7 | twenty year of [noun] [coord] | 6 |
|
| 8 | twenty years of [noun] [coord] | 6 |
|
