| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] as [adj] [verb] | 173 |
|
| 2 | [adv] [adv] as [adj] [to-vb] | 91 |
|
| 3 | [adv] [adv] as [adj] ensure | 13 |
|
| 4 | [adv] [adv] [conj] [adj] to ensure | 7 |
|
