| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] that | 33681 |
|
| 2 | [adv] [to-vb] that | 2477 |
|
| 3 | [adv] ensure that | 582 |
|
| 4 | [adv] to ensure [conj] | 211 |
|
