| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how we could [vb infin] | 41 |
|
| 2 | where we could [vb infin] | 26 |
|
| 3 | [Wh adv] we could have | 12 |
|
| 4 | when we could [vb infin] | 12 |
|
| 5 | [Wh adv] we could get | 10 |
|
