| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it take [adv] [num] years | 17 |
|
| 2 | it took [adv] [adj] years | 12 |
|
| 3 | it takes [adv] [adj] years | 7 |
|
| 4 | it take about [adj] years | 7 |
|
