| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we could [verb] a | 360 |
|
| 2 | we could [verb] [det] | 323 |
|
| 3 | we [verb] a [det] | 160 |
|
| 4 | could [verb] a [det] | 72 |
|
