| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] as [art] | 109 |
|
| 2 | [adv] as maintain [art] | 13 |
|
| 3 | [vb pp] [adv] maintain [art] | 7 |
|
| 4 | [vb pp] [adv] as maintain | 7 |
|
