| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] [adj] | 40418 |
|
| 2 | [prep] [adj] years | 23108 |
|
| 3 | [prep] [num] years | 15203 |
|
| 4 | [num] [adj] years | 2418 |
|
