| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] [art] | 4341 |
|
| 2 | [adv] maintain [art] | 268 |
|
| 3 | [pron] maintain [art] | 266 |
|
| 4 | [pron] [adv] maintain | 93 |
|
