| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] many years [prep] | 8 |
|
| 2 | it [verb] many year for | 7 |
|
| 3 | it take many year [prep] | 7 |
|
| 4 | it [vb past] many year [prep] | 6 |
|
| 5 | it took many year [prep] | 5 |
|
