| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | year [prep] [adj] [noun] | 2017 |
|
| 2 | twenty year [prep] [noun] | 83 |
|
| 3 | twenty year [prep] [adj] | 22 |
|
| 4 | twenty year [adj] [noun] | 18 |
|
| 5 | twenty [prep] [adj] [noun] | 5 |
|
