| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] we could [adv] [vb infin] | 11 |
|
| 2 | [prep] which we could [adv] [vb infin] | 6 |
|
| 3 | [prep] which we could [adv] [vb infin] | 6 |
|
| 4 | [prep] what we could [adv] [vb infin] | 5 |
|
| 5 | [prep] what we could [adv] [vb infin] | 5 |
|
