| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] so [subord] to ensure [that] | 5 |
|
| 2 | [verb] so [subord] to ensure [conj] | 5 |
|
| 3 | [verb] so [subord] to ensure that | 5 |
|
| 4 | [verb] so [subord] to ensure that | 5 |
|
