| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [verb] on the | 19 |
|
| 2 | could [vb infin] [verb] on the | 19 |
|
| 3 | could [verb] [verb] on the | 19 |
|
| 4 | could [verb] [vb pp] on the | 10 |
|
| 5 | could have [verb] on the | 9 |
|
| 6 | could have [verb] on the | 9 |
|
