| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] important [verb] this [noun sg] | 17 |
|
| 2 | it [be] important [to-vb] this [noun sg] | 17 |
|
| 3 | it be important [verb] this [noun sg] | 17 |
|
| 4 | it is important [verb] this [noun sg] | 16 |
|
