| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [verb] [adj] [num] year | 5 |
|
| 2 | it [modal v] [verb] [adj] [num] year | 5 |
|
| 3 | it [verb] [adj] [prep] [num] year | 5 |
|
| 4 | it [verb] [adj] [prep] [num] year | 5 |
|
