| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could only come | 31 |
|
| 2 | could never come | 10 |
|
| 3 | could still come | 7 |
|
| 4 | could just come | 7 |
|
| 5 | could easily come | 7 |
|
| 6 | could ever come | 6 |
|
| 7 | could always come | 5 |
|
| 8 | could well come | 5 |
|
