| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [prep] over [num] years | 58 |
|
| 2 | [noun pl] [prep] over [adj] years | 58 |
|
| 3 | [noun] [prep] over twenty years | 28 |
|
| 4 | [noun pl] [prep] [adv] twenty years | 10 |
|
| 5 | [noun pl] [prep] [adv] twenty years | 10 |
|
| 6 | [noun pl] [prep] over twenty [noun] | 7 |
|
| 7 | [noun pl] [prep] over twenty [noun pl] | 6 |
|
| 8 | [noun pl] [prep] over twenty years | 5 |
|
| 9 | [noun pl] [prep] over twenty years | 5 |
|
| 10 | [noun pl] [prep] over twenty year | 5 |
|
