| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [num] years they | 12 |
|
| 2 | after [num] years they | 7 |
|
| 3 | [prep] three years they | 7 |
|
| 4 | [prep] five years they | 7 |
|
| 5 | within [num] years they | 6 |
|
| 6 | in [num] years they | 5 |
|
