| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years of [pos pn] [noun] | 392 |
|
| 2 | twenty [noun] of [pos pn] [noun] | 22 |
|
| 3 | twenty years [prep] [pos pn] [noun] | 19 |
|
| 4 | twenty years [prep] [pos pn] [noun] | 19 |
|
| 5 | twenty [noun pl] of [pos pn] [noun] | 18 |
|
| 6 | twenty year of [pos pn] [noun] | 10 |
|
| 7 | twenty years of [pron] [noun] | 10 |
|
| 8 | twenty years of [pos pn] [noun] | 10 |
|
