| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | during the [adj] few decades | 14 |
|
| 2 | during [art] [num ord] few decades | 8 |
|
| 3 | during [art] past few decades | 6 |
|
| 4 | during [art] past few decades | 6 |
|
| 5 | during [art] last few decades | 6 |
|
| 6 | during [art] [adj] few decades | 6 |
|
| 7 | during [art] last few decades | 6 |
|
