| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [num] years i | 47 |
|
| 2 | [prep] two years i | 18 |
|
| 3 | in [num] years i | 14 |
|
| 4 | after [num] years i | 13 |
|
| 5 | [prep] three years i | 11 |
|
| 6 | [prep] five years i | 9 |
|
| 7 | within [num] years i | 6 |
|
