| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] as ensure | 54 |
|
| 2 | [adv] as to ensure | 41 |
|
| 3 | so as ensure | 39 |
|
| 4 | so as ensure | 39 |
|
| 5 | well as ensure | 15 |
|
| 6 | well as ensure | 15 |
|
| 7 | [adv] as ensuring | 13 |
|
