| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] [prep] | 4391 |
|
| 2 | [modal v] [verb] [prep] [num] | 2425 |
|
| 3 | it [verb] [prep] [num] | 1014 |
|
| 4 | it [modal v] [verb] [num] | 397 |
|
