| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] over 30 years | 37 |
|
| 2 | [noun] for over 30 years | 30 |
|
| 3 | [noun] for over 30 years | 30 |
|
| 4 | [noun sg] [prep] over 30 years | 26 |
|
| 5 | [noun prp] [prep] over 30 years | 8 |
|
| 6 | [noun] of over 30 years | 5 |
|
| 7 | [noun] of over 30 years | 5 |
|
