| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] over twenty years | 28 |
|
| 2 | [noun] [prep] over twenty years | 28 |
|
| 3 | [noun] for over twenty years | 27 |
|
| 4 | [noun] for over twenty years | 27 |
|
| 5 | [noun] over twenty years [adv] | 7 |
|
| 6 | [noun] over twenty years [adv] | 7 |
|
| 7 | [noun] over twenty years ago | 6 |
|
| 8 | [noun] over twenty years ago | 6 |
|
