| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] years ' time [prep] | 8 |
|
| 2 | [prep] [num] years ' time [prep] | 8 |
|
| 3 | in [num] years ' time [prep] | 6 |
|
| 4 | in [num] years ' time [prep] | 6 |
|
