| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] could [vb infin] | 6786 |
|
| 2 | [subord] we [modal v] [vb infin] | 4107 |
|
| 3 | [conj] we could [vb infin] | 1150 |
|
| 4 | [subord] we could [verb] | 610 |
|
