| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [adv] [verb] to ensure that [art] | 6 |
|
| 2 | [conj] [adv] to ensure that [art] [noun] | 7 |
|
| 3 | [conj] [adv] to ensure that [art] [noun sg] | 5 |
|
