| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [be] [Wh adv] [pron] could [adv] | 5 |
|
| 2 | [adj] [be] [Wh adv] [pron] could [adv] | 5 |
|
| 3 | [be] [Wh adv] [pron] could [adv] [vb infin] | 5 |
|
| 4 | [be] [Wh adv] [pron] could [adv] [verb] | 5 |
|
