| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] year ['s] time [prep] | 9 |
|
| 2 | [prep] [num] year ['s] time [prep] | 9 |
|
| 3 | in [num] year ['s] time [prep] | 7 |
|
| 4 | in [num] year ['s] time [prep] | 7 |
|
