| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh adv] [adj] [noun pl] [pron] could | 7 |
|
| 2 | [Wh adv] [adj] [noun pl] [pron] could [verb] | 12 |
|
| 3 | [Wh adv] [adj] [noun pl] [pron] could [vb infin] | 12 |
|
