| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] year ' time | 170 |
|
| 2 | [adj] [prep] [num] year ' | 66 |
|
| 3 | [adj] [prep] [num] year time | 11 |
|
| 4 | [adj] [num] year ' time | 5 |
|
