| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] over 30 years | 37 |
|
| 2 | [noun sg] [prep] over 30 years | 26 |
|
| 3 | [noun prp] [prep] over 30 years | 8 |
|
| 4 | [verb] [prep] over 30 years | 6 |
|
| 5 | [prep] over 30 years [conj] | 11 |
|
| 6 | [prep] over 30 years [coord] | 10 |
|
| 7 | [prep] over 30 years and | 10 |
|
| 8 | [prep] over 30 years and | 10 |
|
