| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] could | 6733 |
|
| 2 | [vb past] [pron] could | 2700 |
|
| 3 | believe [pron] could | 195 |
|
| 4 | believed [pron] [modal v] | 165 |
|
