| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] in [art] twenty years | 5 |
|
| 2 | in [art] [adj] twenty years | 64 |
|
| 3 | in [art] [num ord] twenty years | 50 |
|
| 4 | in [art] last twenty years | 40 |
|
| 5 | in [art] last twenty years | 40 |
|
| 6 | in [art] [adj] twenty years | 14 |
|
| 7 | in [art] past twenty years | 13 |
|
| 8 | in [art] past twenty years | 13 |
|
| 9 | in [art] next twenty years | 9 |
|
| 10 | in [art] next twenty years | 9 |
|
| 11 | in [art] twenty years [prep] | 8 |
|
| 12 | in [art] twenty years [prep] | 8 |
|
