| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it took [adj] years | 53 |
|
| 2 | it took many [noun pl] | 18 |
|
| 3 | it took many [noun] | 18 |
|
| 4 | it [verb] many years | 13 |
|
| 5 | it take many years | 9 |
|
| 6 | [pron] took many years | 8 |
|
| 7 | it [vb past] many years | 8 |
|
| 8 | it took many year | 6 |
|
