| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [prep] [det] | 10278 |
|
| 2 | [num] years [prep] | 9923 |
|
| 3 | years [prep] [det] | 460 |
|
| 4 | [num] years [det] | 153 |
|
