| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [pron] [verb] [det] | 322 |
|
| 2 | could [pron] possibly [verb] | 122 |
|
| 3 | [pron] possibly [verb] [det] | 19 |
|
| 4 | could possibly [verb] [det] | 16 |
|
