| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [verb] | 3861 |
|
| 2 | and could [adv] [verb] | 728 |
|
| 3 | and could [adv] [vb infin] | 727 |
|
| 4 | and could [vb infin] [verb] | 101 |
|
| 5 | and [adv] [vb infin] [verb] | 5 |
|
