| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [art] last [adj] years | 898 |
|
| 2 | in [art] last [num] years | 699 |
|
| 3 | [prep] [art] last twenty years | 143 |
|
| 4 | [prep] [art] last twenty years | 143 |
|
| 5 | in [art] [adj] twenty years | 64 |
|
| 6 | in [art] [num ord] twenty years | 50 |
|
| 7 | in [art] last twenty [noun pl] | 43 |
|
| 8 | in [art] last twenty [noun] | 43 |
|
| 9 | in [art] last twenty years | 40 |
|
| 10 | in [art] last twenty year | 40 |
|
| 11 | in [art] last twenty years | 40 |
|
| 12 | in [art] last twenty years | 40 |
|
