| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] could [vb infin] [pron] | 10 |
|
| 2 | [adv] [coord] could [verb] [pron] | 9 |
|
| 3 | [adv] and could [verb] [pron] | 7 |
|
| 4 | [adv] and could [verb] [pron] | 7 |
|
