| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] important ensure that | 17 |
|
| 2 | [be] [adv] important to ensure that | 17 |
|
| 3 | [is] [adv] important ensure that | 13 |
|
| 4 | is [adv] important ensure that | 13 |
|
| 5 | [be] also important ensure that | 7 |
|
