| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [num] years | 82 |
|
| 2 | it took [adj] years | 53 |
|
| 3 | it [vb past] two years | 17 |
|
| 4 | it [vb past] two years | 17 |
|
| 5 | it [vb past] [det] years | 14 |
|
| 6 | it [vb past] four years | 11 |
|
| 7 | it [vb past] four years | 11 |
|
| 8 | it [vb past] many years | 8 |
|
| 9 | it [vb past] many years | 8 |
|
| 10 | it [vb past] ten years | 6 |
|
| 11 | it [vb past] ten years | 6 |
|
| 12 | it did [adj] years | 6 |
|
| 13 | it [vb past] seven years | 5 |
|
| 14 | it [vb past] seven years | 5 |
|
