| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [adv] a | 54 |
|
| 2 | we [modal v] [verb] [adv] a | 53 |
|
| 3 | we could [verb] [adv] a | 28 |
|
| 4 | we could [verb] [adv] [art] | 13 |
|
