| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [adv] 30 | 178 |
|
| 2 | [noun] [prep] 30 years | 156 |
|
| 3 | [prep] [adv] 30 years | 104 |
|
| 4 | [noun] [adv] 30 years | 18 |
|
| 5 | [noun] [prep] [adv] years | 5 |
|
