| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [pron] could | 1347 |
|
| 2 | [Wh adv] we [vb mod] | 1102 |
|
| 3 | [Wh adv] we [modal v] | 1102 |
|
| 4 | [adv] we could | 762 |
|
| 5 | [Wh adv] we could | 122 |
|
