| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could [prep] | 28 |
|
| 2 | possibly [modal v] [prep] | 28 |
|
| 3 | [adv] could [prep] | 28 |
|
| 4 | possibly could [prep] | 9 |
|
| 5 | possibly could [prep] | 9 |
|
