| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [adv] | 25089 |
|
| 2 | [pers pn] [adv] maintain | 78 |
|
| 3 | could [adv] maintain | 31 |
|
| 4 | [pers pn] could maintain | 17 |
|
