| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] we could [verb] [prep] a | 6 |
|
| 2 | [subord] we could [vb infin] [prep] a | 6 |
|
| 3 | [subord] we could [verb] [prep] a | 6 |
|
| 4 | if we could [verb] [prep] a | 5 |
|
