| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be important [to-vb] sure that | 7 |
|
| 2 | [be] important [to-vb] sure that | 7 |
|
| 3 | [is] important [to-vb] sure that | 6 |
|
| 4 | is important [to-vb] sure that | 6 |
|
