| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could do [prep] | 611 |
|
| 2 | we could [verb] [prep] | 567 |
|
| 3 | we [modal v] do [prep] | 285 |
|
| 4 | we could do [prep] | 95 |
|
