| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [adv] as | 2402 |
|
| 2 | [adv] as to ensure | 41 |
|
| 3 | [noun sg] [adv] to ensure | 33 |
|
| 4 | [noun sg] as to ensure | 16 |
|
