| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we could [vb infin] | 4226 |
|
| 2 | [conj] could [vb infin] | 2359 |
|
| 3 | [conj] we could | 1921 |
|
| 4 | [conj] we [vb infin] | 5 |
|
