| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could [pron] [vb infin] [adj] | 174 |
|
| 2 | [adv] [vb mod] we [vb infin] [adj] | 156 |
|
| 3 | [adv] [modal v] we [vb infin] [adj] | 156 |
|
| 4 | [adv] could we [vb infin] [adj] | 11 |
|
| 5 | [adv] could we [verb] [adj] | 11 |
|
