| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is not [adv] maintain | 8 |
|
| 2 | [is] not [adv] maintain | 8 |
|
| 3 | [is] not [adv] maintained | 8 |
|
| 4 | [is] not [adv] maintain | 8 |
|
