| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [num] years [prep] | 22 |
|
| 2 | it take [num] years [prep] | 21 |
|
| 3 | it took [num] years [prep] | 18 |
|
| 4 | it [verb] [num] years for | 12 |
|
| 5 | it [verb] [num] years of | 11 |
|
| 6 | it [verb] ten years [prep] | 7 |
|
| 7 | it [verb] two years [prep] | 7 |
|
| 8 | it [vb -s] [num] years [prep] | 6 |
|
| 9 | it [verb] four years [prep] | 6 |
|
