| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [adj] years of [noun] | 338 |
|
| 2 | twenty [adj] [noun] of [noun] | 45 |
|
| 3 | twenty [adj] [noun pl] of [noun] | 35 |
|
| 4 | twenty [adj] years [prep] [noun] | 20 |
|
| 5 | twenty [adj] years [prep] [noun] | 20 |
|
| 6 | twenty [adj] years of [noun] | 15 |
|
| 7 | twenty [adj] year of [noun] | 15 |
|
