| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [adj] year | 134 |
|
| 2 | it [vb past] [num] year | 84 |
|
| 3 | it [vb past] four [noun] | 50 |
|
| 4 | [pron] [vb past] four year | 39 |
|
| 5 | it [verb] four year | 11 |
|
| 6 | it [vb past] four year | 11 |
|
