| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] [adv] | 158460 |
|
| 2 | [pron] [vb base] maintain | 105 |
|
| 3 | [pron] [adv] maintain | 93 |
|
| 4 | [vb base] [adv] maintain | 46 |
|
