| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num ord] few decades | 67 |
|
| 2 | last few decades | 40 |
|
| 3 | last few decades | 40 |
|
| 4 | past few decades | 32 |
|
| 5 | past few decades | 32 |
|
| 6 | [adj] few decades | 32 |
|
| 7 | next few decades | 26 |
|
| 8 | next few decades | 26 |
|
