| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] many years | 13 |
|
| 2 | it take many year | 9 |
|
| 3 | it [vb past] many year | 8 |
|
| 4 | it took many year | 6 |
|
| 5 | it [vb -s] many year | 5 |
|
