| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] important [conj] | 423 |
|
| 2 | it be [adv] important to know | 21 |
|
| 3 | it be important to know [conj] | 11 |
|
| 4 | be [adv] important to know [conj] | 7 |
|
