| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] [to-vb] sure that | 15 |
|
| 2 | [is] important [to-vb] [adj] that | 7 |
|
| 3 | [is] important [verb] sure that | 7 |
|
| 4 | [be] important [to-vb] sure that | 7 |
|
| 5 | [is] important [to-vb] sure [conj] | 6 |
|
