| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] as [art] | 10063 |
|
| 2 | [adv] to maintain [art] | 57 |
|
| 3 | [adv] as to maintain | 18 |
|
| 4 | as to maintain [art] | 15 |
|
