| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adj] [to-vb] [prep] | 1847 |
|
| 2 | [pron] [is] [adj] [to-vb] on | 170 |
|
| 3 | it [be] [adj] [to-vb] on | 158 |
|
| 4 | it [is] [adj] [verb] on | 140 |
|
