| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adj] to distinguish [prep] [adj] | 17 |
|
| 2 | it [be] [adj] to distinguish [prep] [adj] | 17 |
|
| 3 | it [be] important [to-vb] [prep] [adj] | 15 |
|
| 4 | it [be] important [verb] [prep] [adj] | 15 |
|
| 5 | it [be] important to distinguish [prep] [adj] | 12 |
|
| 6 | it [be] important distinguish [prep] [adj] | 5 |
|
| 7 | [pron] [be] important to distinguish [prep] [adj] | 5 |
|
| 8 | it [be] important to distinguish [prep] [adj] | 5 |
|
| 9 | it [be] important to distinguish [prep] [adj] | 5 |
|
