| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years [prep] [noun] | 4817 |
|
| 2 | [num] years [prep] [noun] | 3834 |
|
| 3 | twenty [noun] [prep] [noun] | 304 |
|
| 4 | twenty [noun pl] [prep] [noun] | 274 |
|
| 5 | twenty year [prep] [noun] | 83 |
|
| 6 | twenty years [prep] [noun] | 82 |
|
