| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] [verb] that | 178 |
|
| 2 | [vb pp] [adv] [to-vb] that | 77 |
|
| 3 | [verb] [adv] to ensure that | 47 |
|
| 4 | [vb pp] [adv] to ensure that | 37 |
|
| 5 | [vb pp] [adv] ensure that | 18 |
|
| 6 | [vb pp] [adv] to ensure [conj] | 17 |
|
