| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [conj] [pers pn] [adv] [verb] | 5 |
|
| 2 | could [conj] [pron] [adv] [verb] | 5 |
|
| 3 | could [conj] [pron] [adv] [verb] | 5 |
|
