| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years [prep] [noun pl] | 290 |
|
| 2 | twenty years [prep] [noun] | 82 |
|
| 3 | twenty [noun] [prep] [noun pl] | 38 |
|
| 4 | twenty [noun pl] [prep] [noun pl] | 31 |
|
| 5 | twenty year [prep] [noun pl] | 11 |
|
