| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [adv] [pos pn] | 1924 |
|
| 2 | [adv] maintain [pos pn] | 107 |
|
| 3 | and [adv] maintain | 89 |
|
| 4 | and maintain [pos pn] | 65 |
|
