| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] over [adj] years | 347 |
|
| 2 | [noun] [prep] over [num] years | 347 |
|
| 3 | [noun] [prep] [adv] 30 years | 62 |
|
| 4 | [noun] [prep] [adv] 30 years | 62 |
|
| 5 | [noun] [prep] over 30 [noun] | 45 |
|
| 6 | [noun] [prep] over 30 [noun pl] | 41 |
|
| 7 | [noun] [prep] over 30 years | 37 |
|
| 8 | [noun] [prep] over 30 years | 37 |
|
| 9 | [noun] [prep] over 30 year | 37 |
|
