| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | twenty year in the [noun] | 11 |
|
| 2 | twenty year in the [noun] | 11 |
|
| 3 | twenty year in [art] [noun] | 11 |
|
| 4 | twenty year in [art] [noun] | 11 |
|
| 5 | twenty year in [noun] [prep] | 5 |
|
| 6 | twenty year in [noun] [prep] | 5 |
|
