| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] so as to ensure | 6 |
|
| 2 | [prep] [noun] so as to ensure | 6 |
|
| 3 | [noun] so as to ensure [conj] | 11 |
|
| 4 | [noun] so as to ensure that | 11 |
|
| 5 | [noun] so as to ensure [that] | 11 |
|
| 6 | [noun] so as to ensure that | 11 |
|
