| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] [adv] | 120276 |
|
| 2 | [pron] [adv] maintain | 93 |
|
| 3 | [was/were] [adv] maintain | 61 |
|
| 4 | [pron] [was/were] maintain | 35 |
|
