| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it for [num] years | 63 |
|
| 2 | it [prep] two years | 12 |
|
| 3 | it [prep] five years | 11 |
|
| 4 | it in [num] years | 11 |
|
| 5 | it [prep] four years | 8 |
|
| 6 | it [prep] three years | 6 |
|
| 7 | it [prep] twenty years | 6 |
|
| 8 | it [prep] ten years | 6 |
|
| 9 | it [prep] seven years | 5 |
|
