| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] important [prep] us | 11 |
|
| 2 | it [is] [adv] important [prep] us | 11 |
|
| 3 | it [is] important [prep] us [to-vb] | 16 |
|
| 4 | it [is] important [prep] us [verb] | 16 |
|
