| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | twenty years in the [noun] | 11 |
|
| 2 | twenty years in the [noun] | 11 |
|
| 3 | twenty years in [art] [noun] | 11 |
|
| 4 | twenty years in [art] [noun] | 11 |
|
| 5 | twenty years in [art] [noun] | 11 |
|
| 6 | twenty years in [art] [noun sg] | 10 |
|
