| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] after 30 years | 9 |
|
| 2 | [verb] after 30 years | 6 |
|
| 3 | after 30 years [prep] | 18 |
|
| 4 | after 30 years [prep] | 18 |
|
| 5 | after 30 years of | 10 |
|
| 6 | after 30 years of | 10 |
|
