| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [verb] | 26422 |
|
| 2 | [is] [verb] [subord] | 3939 |
|
| 3 | it [verb] [subord] | 2101 |
|
| 4 | it [is] [subord] | 1296 |
|
