| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] we could [vb infin] | 67 |
|
| 2 | which we could [vb infin] | 63 |
|
| 3 | [prep] which we could | 49 |
|
| 4 | [prep] which could [vb infin] | 36 |
|
