| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we [verb] [verb] a | 3345 |
|
| 2 | we could [verb] [verb] | 452 |
|
| 3 | could [verb] [verb] a | 397 |
|
| 4 | we could [verb] a | 332 |
|
