| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [prep] [art] | 11350 |
|
| 2 | [prep] [art] years | 3267 |
|
| 3 | [prep] [art] years | 3267 |
|
| 4 | [prep] [prep] years | 22 |
|
