| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] last few decade | 39 |
|
| 2 | [prep] [art] last few decade | 39 |
|
| 3 | [prep] the last few decade | 39 |
|
| 4 | [prep] [art] last few decades | 39 |
|
| 5 | over [art] last few decade | 15 |
|
| 6 | over [art] last few decade | 15 |
|
| 7 | in [art] last few decade | 13 |
|
| 8 | in [art] last few decade | 13 |
|
| 9 | during [art] last few decade | 6 |
|
| 10 | during [art] last few decade | 6 |
|
