| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in previous [noun] | 498 |
|
| 2 | in previous [noun pl] | 450 |
|
| 3 | in [adj] decades | 145 |
|
| 4 | [prep] previous decades | 17 |
|
| 5 | [prep] previous decades | 17 |
|
| 6 | in previous decades | 9 |
|
| 7 | in previous decade | 9 |
|
