| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [prep] [adj] [noun] | 1476 |
|
| 2 | twenty years [prep] [noun] | 82 |
|
| 3 | twenty years [prep] [adj] | 22 |
|
| 4 | twenty [prep] [adj] [noun] | 5 |
|
