| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] ensure that [art] | 168 |
|
| 2 | [adv] as ensure that | 26 |
|
| 3 | as ensure that [art] | 15 |
|
| 4 | [adv] as ensure [art] | 12 |
|
