| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [adv] | 336279 |
|
| 2 | [be] [adv] maintain | 188 |
|
| 3 | [pron] [be] maintain | 129 |
|
| 4 | [pron] [adv] maintain | 93 |
|
