| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [adj] years | 96 |
|
| 2 | it [vb past] [num] years | 82 |
|
| 3 | it [vb past] four [noun] | 50 |
|
| 4 | it [vb past] four [noun pl] | 48 |
|
| 5 | [pron] [vb past] four years | 39 |
|
| 6 | [pers pn] [vb past] four years | 36 |
|
| 7 | it [vb past] four years | 11 |
|
| 8 | it [vb past] four year | 11 |
|
| 9 | it [verb] four years | 11 |
|
| 10 | it [vb past] four years | 11 |
|
