| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so as to ensure [that] [art] | 6 |
|
| 2 | so as to ensure that [art] | 6 |
|
| 3 | so as to ensure [conj] [art] | 6 |
|
| 4 | so as to ensure that [art] | 6 |
|
| 5 | so as to ensure [art] [noun] | 5 |
|
| 6 | so as to ensure [art] [noun sg] | 5 |
|
