| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] to ensure that [art] [noun sg] is | 8 |
|
| 2 | [adv] to ensure that the [noun sg] is | 8 |
|
| 3 | [adv] to ensure that the [noun sg] is | 8 |
|
| 4 | [adv] to ensure that [art] [noun sg] is | 6 |
|
