| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [verb] | 234125 |
|
| 2 | could [verb] [pron] | 12219 |
|
| 3 | could [verb] [verb] | 7462 |
|
| 4 | could [pron] [verb] | 3924 |
|
