| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] ensure that [art] | 199 |
|
| 2 | so [conj] ensure that | 21 |
|
| 3 | so [conj] ensure [art] | 9 |
|
| 4 | so ensure that [art] | 7 |
|
