| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] that [art] | 6448 |
|
| 2 | [adv] [to-vb] that [art] | 321 |
|
| 3 | [adv] ensure that [art] | 168 |
|
| 4 | [adv] to ensure that [art] | 74 |
|
| 5 | [adv] to ensure [conj] [art] | 65 |
|
| 6 | [adv] to ensure that [art] | 65 |
|
