| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it took [adj] years [prep] | 26 |
|
| 2 | it took [num] years [prep] | 18 |
|
| 3 | it took four [noun pl] [prep] | 9 |
|
| 4 | it took four [noun] [prep] | 9 |
|
| 5 | it took four years [prep] | 6 |
|
| 6 | it [vb past] four years [prep] | 6 |
|
| 7 | it take four years [prep] | 6 |
|
| 8 | [pron] took four years [prep] | 6 |
|
| 9 | it took four year [prep] | 6 |
|
| 10 | it took four years [prep] | 6 |
|
| 11 | [pers pn] took four years [prep] | 6 |
|
| 12 | it [verb] four years [prep] | 6 |
|
