| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [prep] [verb] | 1791 |
|
| 2 | it [be] [prep] [to-vb] | 99 |
|
| 3 | [pron] [is] [prep] [to-vb] | 60 |
|
| 4 | it [is] [prep] [to-vb] | 56 |
|
