| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] important [to-vb] [subord] | 11 |
|
| 2 | it be [adv] important [verb] [subord] | 11 |
|
| 3 | it is [adv] important [verb] [subord] | 9 |
|
| 4 | it be [adv] important [verb] whether | 8 |
|
